Warden of the Grove [Tarkir: Dragonstorm]

Set: Tarkir: Dragonstorm Type: Creature — Hydra Rarity: Rare Cost: {2}{G} At the beginning of your end step, put a +1/+1 counter on this creature.Whenever another nontoken creature you control enters, it endures X, where X is the number of counters on this creature. (Put X+1/+1 counters on the creature that entered or create an X/X white Spirit creature token.)