Skyshroud War Beast 
Creature — Beast
Trample As this creature enters, choose an opponent. Skyshroud War Beast's power and toughness are each equal to the number of nonbasic lands the chosen player controls.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL