Rock Hydra [Collectors' Edition] IDW Comics 2014 each creature that player controls

each creature that player controls attacks if able

Set: Kaladesh Prerelease Promos Type: Artifact Rarity: Rare Cost: {4} If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger

Set: Collectors' Edition Type: Artifact Rarity: Uncommon Cost: {4} {1}

Set: Betrayers of Kamigawa Type: Enchantment Rarity: Rare Cost: {2}{G} Whenever a land enters the battlefield

Set: Legends Type: Sorcery Rarity: Rare Cost: {2}{G} Typhoon deals damage to each opponent equal to the number of Islands that player controls

Rock Hydra [Collectors' Edition] IDW Comics 2014 each creature that player controlsSet: 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.