Ursine Monstrosity is a rare Creature — Bear Mutant card from Duskmourn: House of Horror Commander (DSC), collector number 36. Current market price: $0.41, TCGplayer market prices via Scryfall.
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.