Rock Hydra [Collectors' Edition] Elder Dragon Whenever an artifact enters the

Whenever an artifact enters the battlefield

Set: EX: Deoxys Type: Water Rarity: Common Retreat cost: Colorless

until your opponent's next End Phase

Skip your next Draw Phase

−3: Destroy target permanent that's one or more colors

Rock Hydra [Collectors' Edition] Elder Dragon Whenever an artifact enters theSet: Collectors' 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.