Argothian Wurm 
Creature — Wurm
Trample When this creature enters, any player may sacrifice a land of their choice. If a player does, put this creature on top of its owner's library.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL