Warden of the Grove (Borderless) [Tarkir: Dragonstorm]

Description

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.)