Experiment Twelve
From Murders at Karlov Manor Commander set
Experiment Twelve
Creature — Elf Lizard Warrior
4/4
Trample
Whenever this creature or another creature you control is turned face up, put +1/+1 counters on that creature equal to its power.
Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)