Giovanni's Gyarados vs Rocket's Mewtwo


Giovanni's Gyarados (Gym Challenge) and Rocket's Mewtwo (Gym Challenge) are frequently compared because they trade in a similar price band within the same set. This page breaks down which one is the better buy right now.
Current TCGPlayer market prices put the two at $352.24 for Giovanni's Gyarados and $450.96 for Rocket's Mewtwo — a gap of $98.72 (28%). Prices update daily, and the two charts below show how each has moved.
Stat comparison
| Market price | $352.24 | $450.96 |
| Set | Gym Challenge | Gym Challenge |
| Number | #5 | #14 |
| HP | 90 | 70 |
| Type | Water | Psychic |
| Subtypes | Stage 1 | Basic |
| Retreat cost | 3 | 2 |
| Rarity | Rare Holo | Rare Holo |
Price history
Price History
Price History
Which should you buy?
When comparing Rocket's Mewtwo (Gym Challenge #14) against Giovanni's Gyarados (Gym Challenge #5), the most immediate difference is price. Rocket's Mewtwo currently trades at roughly $450.96 while Giovanni's Gyarados sits near $352.24 — a gap of about $98.72 (28%). That spread alone is often the deciding factor for buyers weighing the two. On raw HP, Giovanni's Gyarados edges the comparison at 90 to the other card's 70 — a meaningful margin for trading hits and surviving chip damage. Rocket's Mewtwo is a Psychic-type while Giovanni's Gyarados is Water-type, so the two can coexist in an energy-diverse build without fighting for the same attachments. For buyers, the practical question is usually about use-case. If you are chasing value or planning to flip, the cheaper card carries less downside risk. If you are building a deck, the shared-deck or evolution relationship matters more than the sticker price. And for collectors, the two printings or variants together tend to form a more complete set than either alone. Always check the live TCGPlayer and Amazon listings before buying, since prices move.
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Frequently asked questions
Which is more expensive, Giovanni's Gyarados or Rocket's Mewtwo?
Rocket's Mewtwo (Gym Challenge) is more expensive at $450.96, versus $352.24 for Giovanni's Gyarados (Gym Challenge) — a difference of $98.72 (28%). Prices refresh daily from TCGPlayer market data.
Are Giovanni's Gyarados and Rocket's Mewtwo used in the same decks?
Not in the archetypes tracked on this site. They may still see play in rogue or tournament-specific builds that aren't listed here.
Which is more recent?
Both were released in 2000, from Gym Challenge and Gym Challenge respectively.
Where should I buy Giovanni's Gyarados or Rocket's Mewtwo?
Both cards are typically available on TCGPlayer (the largest individual-card marketplace) and Amazon (where sealed product and bundles dominate). Use the buy links above to see live listings by condition and seller.