Osseous Sticktwister [Duskmourn: House of Horror]

Description

Set:	Duskmourn: House of Horror
Type:	Artifact Creature — Scarecrow
Rarity:	Uncommon
Cost:	{1}{B}

Lifelink
Delirium — At the beginning of your end step, if there are four or more card types among cards in your graveyard, each opponent may sacrifice a nonland permanent or discard a card. Then Osseous Sticktwister deals damage equal to its power to each opponent who didn't sacrifice a permanent or discard a card this way.