Ursine Monstrosity
From Duskmourn: House of Horror Commander set
Ursine Monstrosity
Creature — Bear Mutant
3/3
Trample
At the beginning of combat on your turn, mill a card and choose an opponent at random. This creature attacks that player this combat if able. Until end of turn, this creature gains indestructible and gets +1/+1 for each card type among cards in your graveyard.