Gilamorph, the Horror Within

Shroud
When Gilamorph, the Horror Within enters the battlefield, exile target nonartifact creature. If you do, put ten +1/+1 counters on Gilamorph and destroy all other nonland permanents you control.
{t}: remove a +1/+1 counter from Gilamorph.
Draw a card and create a 1/1 black Horror creature token.
{10}{b}{b}{b}{b}{b}: sacrifice all other permanents you control. Target player loses the game.