10 Hardest Tentacool Pokémon Cards to Pull
Ranked by estimated pull rates from English booster packs.
Tentacool’s water scenes offer a compact collecting theme across older e-Reader designs and later expansions. The reverse-holo finish is an important distinction in this countdown. Its rough estimates concern one specific English card within a set’s eligible pool, not any Tentacool pull.
Pull rates are estimates—see how this ranking works.
Estimated odds, limited coverage. This uses the same estimates as our pull-rate calculators, including labelled rough models and very-low-confidence assumptions. It does not establish the hardest Tentacool ever printed; nearby estimates may not represent a real difference in difficulty.
How the ranking works ↓We may earn a commission from qualifying purchases made through our eBay links. Card images are artwork references; edition stamps and foil finishes may differ.
Tentacool pull rates at a glance
A larger pack figure means a lower estimated chance. Figures are rounded to two significant digits; matching rounded estimates share a rank.
| Rank | Card & set | Estimated packs |
|---|---|---|
| 1 | Tentacool 40/214Unbroken Bonds · Reverse Holofoil | ~1 in 180Rough estimate |
| 2 | Tentacool 113/147Aquapolis · Reverse Holofoil | ~1 in 150Rough estimate |
| 3 = | Tentacool 125/146Legends Awakened · Reverse Holofoil | ~1 in 140Rough estimate |
| 3 = | Tentacool 60/181Team Up · Reverse Holofoil | ~1 in 140Rough estimate |
| 5 = | Tentacool 26/203Evolving Skies · Reverse Holofoil | ~1 in 130Rough estimate |
| 5 = | Tentacool 23/145Guardians Rising · Reverse Holofoil | ~1 in 130Rough estimate |
| 5 = | Tentacool 70/160Primal Clash · Reverse Holofoil | ~1 in 130Rough estimate |
| 5 = | Tentacool (Alpha) 71/160Primal Clash · Reverse Holofoil | ~1 in 130Rough estimate |
| 9 | Tentacool 96/110Legendary Collection · Reverse Holofoil | ~1 in 110 |
| 10 | Tentacool 72/165Pokémon 151 · Reverse Holofoil | ~1 in 100Rough estimate |
The hardest-to-pull Tentacool countdown
#10 · Tentacool
Pokémon 151 · 72/165 · English · Reverse Holofoil
Rough estimate. Limited evidence; actual odds may vary greatly.
Estimated pull rate
About 1 in 100 packs
Reverse Holofoil · Estimated raw price
$0.30 USD
Price observed Nov 4, 2026 UTC
The reverse holo is a separate finish of this numbered 151 card, rather than an illustration rare. A shared artwork image does not show every foil difference, so match the finish as well as the collector number.
Where this estimate comes from
Assumes 1.5 effective ordinary reverse-holo slots per pack, shared equally across 153 eligible reverse printings. This simplifies special-card replacements and unequal print sheets; the slot allowance is a modelling assumption.
#9 · Tentacool
Legendary Collection · 96/110 · English · Reverse Holofoil
Estimated pull rate
About 1 in 110 packs
Reverse Holofoil · Estimated raw price
$170.54 USD
Price observed Nov 4, 2026 UTC
Legendary Collection’s distinctive reverse-holo treatment makes this a different collecting target from the ordinary finish. The displayed image may be an artwork reference; check the actual foil pattern when buying.
Where this estimate comes from
The estimated rarity frequency is divided across the eligible cards in that pool, assuming equal individual chances. It is not a measured count of this particular card.
Reverse holos use the community single-sheet estimate of 1/110. Common and uncommon estimates approximate the mixed nine-card sheet.
#5 (joint) · Tentacool (Alpha)
Primal Clash · 71/160 · English · Reverse Holofoil
Rough estimate. Limited evidence; actual odds may vary greatly.
Estimated pull rate
About 1 in 130 packs
Reverse Holofoil · Estimated raw price
$16.17 USD
Price observed Nov 4, 2026 UTC
This Primal Clash printing adds a reverse-holo version to the Pokémon’s checklist. The estimate concerns the exact collector number shown. An ordinary card with the same artwork does not count as this foil pull.
Where this estimate comes from
Assumes 1 effective ordinary reverse-holo slots per pack, shared equally across 132 eligible reverse printings. This simplifies special-card replacements and unequal print sheets; the slot allowance is a modelling assumption.
#5 (joint) · Tentacool
Primal Clash · 70/160 · English · Reverse Holofoil
Rough estimate. Limited evidence; actual odds may vary greatly.
Estimated pull rate
About 1 in 130 packs
Reverse Holofoil · Estimated raw price
$0.66 USD
Price observed Nov 4, 2026 UTC
This Primal Clash printing adds a reverse-holo version to the Pokémon’s checklist. The estimate concerns the exact collector number shown. An ordinary card with the same artwork does not count as this foil pull.
Where this estimate comes from
Assumes 1 effective ordinary reverse-holo slots per pack, shared equally across 132 eligible reverse printings. This simplifies special-card replacements and unequal print sheets; the slot allowance is a modelling assumption.
#5 (joint) · Tentacool
Guardians Rising · 23/145 · English · Reverse Holofoil
Rough estimate. Limited evidence; actual odds may vary greatly.
Estimated pull rate
About 1 in 130 packs
Reverse Holofoil · Estimated raw price
$0.34 USD
Price observed Nov 4, 2026 UTC
This Guardians Rising printing adds a reverse-holo version to the Pokémon’s checklist. The estimate concerns the exact collector number shown. An ordinary card with the same artwork does not count as this foil pull.
Where this estimate comes from
Assumes 1 effective ordinary reverse-holo slots per pack, shared equally across 126 eligible reverse printings. This simplifies special-card replacements and unequal print sheets; the slot allowance is a modelling assumption.
#5 (joint) · Tentacool
Evolving Skies · 26/203 · English · Reverse Holofoil
Rough estimate. Limited evidence; actual odds may vary greatly.
Estimated pull rate
About 1 in 130 packs
Reverse Holofoil · Estimated raw price
$0.22 USD
Price observed Nov 4, 2026 UTC
This Evolving Skies printing adds a reverse-holo version to the Pokémon’s checklist. The estimate concerns the exact collector number shown. An ordinary card with the same artwork does not count as this foil pull.
Where this estimate comes from
Assumes 1 effective ordinary reverse-holo slots per pack, shared equally across 132 eligible reverse printings. This simplifies special-card replacements and unequal print sheets; the slot allowance is a modelling assumption.
#3 (joint) · Tentacool
Team Up · 60/181 · English · Reverse Holofoil
Rough estimate. Limited evidence; actual odds may vary greatly.
Estimated pull rate
About 1 in 140 packs
Reverse Holofoil · Estimated raw price
$0.36 USD
Price observed Nov 4, 2026 UTC
This Team Up reverse holo is a separate target from its ordinary finish. Where a set has more than one artwork of the same Pokémon, the collector number matters just as much as the name.
Where this estimate comes from
Assumes 1 effective ordinary reverse-holo slots per pack, shared equally across 145 eligible reverse printings. This simplifies special-card replacements and unequal print sheets; the slot allowance is a modelling assumption.
#3 (joint) · Tentacool
Legends Awakened · 125/146 · English · Reverse Holofoil
Rough estimate. Limited evidence; actual odds may vary greatly.
Estimated pull rate
About 1 in 140 packs
Reverse Holofoil · Estimated raw price
$4.99 USD
Price observed Nov 4, 2026 UTC
This Legends Awakened printing adds a reverse-holo version to the Pokémon’s checklist. The estimate concerns the exact collector number shown. An ordinary card with the same artwork does not count as this foil pull.
Where this estimate comes from
Assumes 1 effective ordinary reverse-holo slots per pack, shared equally across 139 eligible reverse printings. This simplifies special-card replacements and unequal print sheets; the slot allowance is a modelling assumption.
#2 · Tentacool
Aquapolis · 113/147 · English · Reverse Holofoil
Rough estimate. Limited evidence; actual odds may vary greatly.
Estimated pull rate
About 1 in 150 packs
Reverse Holofoil · Estimated raw price
$65.00 USD
Price observed Nov 4, 2026 UTC
This Aquapolis printing adds a reverse-holo version to the Pokémon’s checklist. The estimate concerns the exact collector number shown. An ordinary card with the same artwork does not count as this foil pull.
Where this estimate comes from
Assumes 1 effective ordinary reverse-holo slots per pack, shared equally across 151 eligible reverse printings. This simplifies special-card replacements and unequal print sheets; the slot allowance is a modelling assumption.
#1 · Tentacool
Unbroken Bonds · 40/214 · English · Reverse Holofoil
Rough estimate. Limited evidence; actual odds may vary greatly.
Estimated pull rate
About 1 in 180 packs
Reverse Holofoil · Estimated raw price
$0.36 USD
Price observed Nov 4, 2026 UTC
Tentacool leans toward a pink shell in a small shoreline scene, with its red domes catching the light. The ranked version is the reverse holo of 40/214, a separate finish from the ordinary card.
Where this estimate comes from
Assumes 1 effective ordinary reverse-holo slots per pack, shared equally across 179 eligible reverse printings. This simplifies special-card replacements and unequal print sheets; the slot allowance is a modelling assumption.
How we compare Tentacool pull rates
We compare the chance of pulling one exact card from one English pack of its release. A rarity’s overall hit rate is different from the odds of finding a particular Tentacool within that rarity. Evidence ranges from reported community openings and print-sheet models to rough comparisons and assumed rarity frequencies. Each rough estimate carries its warning beside the odds; expand its explanation for the actual basis.
Japanese cards, guaranteed promos, deck cards and box toppers are outside this ranking. Vintage editions with shared odds take one position. Distinct pack-pulled finishes can qualify separately. Prices do not affect the order, and a missing price does not remove an otherwise eligible card.
Up to ten cards are selected automatically from available estimates, with any tie at the cutoff kept together. Estimates are rounded to two significant digits for comparison, not presented as precise measurements. New cards can enter when a matching printing and estimate are available; prices refresh with the catalogue. Descriptions stay with their card when the order changes.
Tentacool pull-rate questions
Which Tentacool card is hardest to pull?
Tentacool 40/214 (Unbroken Bonds, Reverse Holofoil) has the lowest estimated chance among the qualifying cards here: about 1 in 180 packs. This is the current model’s ordering, including any rough assumptions labelled above. It does not cover every Tentacool ever released.
Will opening 180 packs guarantee the top-ranked card?
No. For the first card listed at rank 1, opening 180 independent packs gives an estimated 63.5% chance of at least one copy. The average waiting time is not a promise; actual packs and factory collation can behave differently from this model.
Is the hardest Tentacool to pull also the most expensive?
Not necessarily. Artwork, demand, condition and how much product exists also matter to collectors. This guide ranks estimated pack odds. Our most expensive Tentacool guide compares available raw prices instead.
Do a booster box or an Elite Trainer Box guarantee a Tentacool?
These estimates do not establish any product-level guarantee. A named Tentacool promo included in a product is separate from the random cards inside its booster packs. Use the exact-card calculator to explore pack quantities and its stated assumptions.
Why can a reverse-holo Tentacool rank above a rarer-looking card?
This compares one exact printing. A large reverse-holo pool can make a particular card’s modelled chance small even when reverse holos overall are common. Most of these estimates assume equal chances within the pool. That does not prove this Pokémon is short-printed, and it does not describe the ordinary non-holo version.