Grimgrin, Corpse-Born enters the battlefield tapped and doesn't untap during your untap step.
Sacrifice another creature: Untap Grimgrin and put a +1/+1 counter on it.
Whenever Grimgrin attacks, destroy target creature defending player controls, then put a +1/+1 counter on Grimgrin.
![Grimgrin, Corpse-Born [Secret Lair Drop Series]](http://plentyofgames.com.au/cdn/shop/files/f9aec266-1896-51be-a065-41eb4b54c2a1.png?v=1752794974&width=1445)
![Grimgrin, Corpse-Born [Secret Lair Drop Series]](http://plentyofgames.com.au/cdn/shop/files/dd45b22b-892b-52e2-9db1-e5e4fc98921a.png?v=1752794974&width=1445)
![Grimgrin, Corpse-Born [Secret Lair Drop Series]](http://plentyofgames.com.au/cdn/shop/files/fe388da5-9197-4d07-be7f-c49fcdf56dfa_a4e7d173-d1e9-455b-ae84-373460fe66bc.png?v=1774403904&width=1445)