Kalonian Hydra Tweet Out of stock. Wishlist Details Artist: Chris Rahn Card Number: 181/249 Card Text: TrampleKalonian Hydra enters the battlefield with four +1/+1 counters on it.Whenever Kalonian Hydra attacks, double the number of +1/+1 counters on each creature you control. Card Type: Creature - Hydra Color: Green Cost: 3GG Finish: Regular Name: Kalonian Hydra Pow/Tgh: 0/0 Rarity: M Set Name: Magic 2014