Rock Hydra [Collectors' Edition] World Championships 2007 You may cast any number

You may cast any number of spells from among the nonland cards exiled this way without paying their mana costs

Karma deals damage to that player equal to the number of Swamps they control

Set: Gym Heroes 1st Edition Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

You may play lands and cast spells from that player's hand this turn

Rock Hydra [Collectors' Edition] World Championships 2007 You may cast any numberSet: 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.