Hydra Trainer MTG Card

Mana cost
Converted mana cost	2
Rarity	Uncommon
Type	Creature — Human Warrior
Abilities	Adapt,Exert
Released	2024-06-14
Set symbol
Set name	Modern Horizons 3
Set code	MH3
Power	1
Toughness	1
Number	159
Frame	2015
Layout	Normal
Border	Black
Illustred by	Ryan Pancoast

Text of card

You may exert Hydra Trainer as it attacks. When you do, target creature gets +X/+X until end of turn, where X is the number of counters on permanents you control. (An exerted creature won't untap during your next untap step.) : Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.)

Text of card Hydra Trainer

Where to buy

If you're looking to purchase Hydra Trainer MTG card by a specific set like Modern Horizons 3, there are several reliable options to consider. One of the primary sources is your local game store, where you can often find booster packs, individual cards, and preconstructed decks from current and some past sets. They often offer the added benefit of a community where you can trade with other players.

For a broader inventory, particularly of older sets, online marketplaces like TCGPlayer, Card Kingdom and Card Market offer extensive selections and allow you to search for cards from specific sets. Larger e-commerce platforms like eBay and Amazon also have listings from various sellers, which can be a good place to look for sealed product and rare finds.

Additionally, Magic’s official site often has a store locator and retailer lists for finding Wizards of the Coast licensed products. Remember to check for authenticity and the condition of the cards when purchasing, especially from individual sellers on larger marketplaces.

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Legalities

Magic the Gathering formats where Hydra Trainer has restrictions

Format	Legality
Commander	Legal
Historic	Legal
Legacy	Legal
Paupercommander	Restricted
Modern	Legal
Oathbreaker	Legal
Vintage	Legal
Duel	Legal
Gladiator	Legal
Brawl	Legal
Timeless	Legal

Rules and information

The reference guide for Magic: The Gathering Hydra Trainer card rulings provides official rulings, any errata issued, as well as a record of all the functional modifications that have occurred.

Date	Text
2024-06-07	If a creature somehow loses all of its +1/+1 counters, it can adapt again and get more +1/+1 counters.
2024-06-07	If an exerted permanent is already untapped during your next untap step (most likely because an effect untapped it), exert's effect preventing it from untapping expires without having done anything.
2024-06-07	If you gain control of another player's permanent until end of turn and exert it, and then that player regains control of it, it will untap during that player's untap step.
2024-06-07	The value of X is determined only once, as the reflexive triggered ability resolves.
2024-06-07	You can always activate an ability that will cause a creature to adapt. As that ability resolves, if the creature has a +1/+1 counter on it for any reason, you simply won't put any +1/+1 counters on it.
2024-06-07	You can exert Hydra Trainer as you declare it as an attacking creature. You can't do so later in combat, and creatures put onto the battlefield attacking can't be exerted. Any abilities that trigger on exerting an attacking creature will resolve before blockers are declared.
2024-06-07	You don't choose a target for Hydra Trainer's first ability at the time it triggers. Rather, a second "reflexive" ability triggers when you exert Hydra Trainer this way. You choose a target for that ability as it goes on the stack. Each player may respond to this triggered ability as normal.