Rock Hydra [Revised Edition] Commander Masters Tokens you may return that card

you may return that card to its owner's hand at the beginning of the next end step

When chaos ensues

An autonomous

Set: Sword & Shield: Base Set Type: Fire Rarity: Rare Retreat cost: Colorless

Set: Sun & Moon: Black Star Promos Type: Metal Rarity: Promo Retreat cost: Colorless

Rock Hydra [Revised Edition] Commander Masters Tokens you may return that cardSet: Revised Edition Type: Creature Hydra Rarity: Rare Cost: {X}{R}{R} Rock Hydra enters the battlefield with X +1 +1 counters on it. For each 1 damage that would be dealt to Rock Hydra, if it has a +1 +1 counter on it, remove a +1 +1 counter from it and prevent that 1 damage. {R}: Prevent the next 1 damage that would be dealt to Rock Hydra this turn. {R}{R}{R}: Put a +1 +1 counter on Rock Hydra. Activate only during your upkeep.