Rock Hydra [Alpha Edition] Treefolk Warrior Set: Diamond & Pearl: Majestic

Set: Diamond & Pearl: Majestic Dawn Type: Water Rarity: Holo Rare Retreat cost: Colorless

At the beginning of the upkeep of enchanted creature's controller

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

There are so many cards packed into the possibilities

Rock Hydra [Alpha Edition] Treefolk Warrior Set: Diamond & Pearl: MajesticSet: Alpha 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.