Hidden Dragonslayer [Dragons of Tarkir]

Description

Set:	Dragons of Tarkir
Type:	Creature — Human Warrior
Rarity:	Rare
Cost:	{1}{W}

Lifelink
Megamorph {2}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
When Hidden Dragonslayer is turned face up, destroy target creature with power 4 or greater an opponent controls.