Goblin Sergeant

{t}: Manifest a creature card from your hand (Put it face down on the battlefield as a 2/2 creature. Turn it face up at any time for its mana cost if it's a creature card.)
Face down creature cards you control have Megamorph {r/g} (You may turn them face up at any time for their megamorph cost and put a +1/+1 counter on it.)
"You charge to glory. I'll stay here."