conduit hydra

when Conduit Hydra enters the battlefield, you get {e}{e}{e}{e}{e}{e} and play a noncreature spell with a converted mana cost of X. Conduit hydra enters the battlefield with X +1/+1 counters. trample, lifelink
pay {e}{e}: put a -1/-1 counter on target creature. it gains shroud untill end of turn.
pay {e}{e}{e}: create a 1/2 aetherborn snake with "{g/u},{t} pay {e}: proliferate" and "when this creature deals combat damage to a player, untill your next end step, this creature gains {g/u}: aetherborn snake