Keldon Berserker 
Creature — Human Soldier Berserker
Whenever this creature attacks, if you control no untapped lands, it gets +3/+0 until end of turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Human Soldier Berserker
Whenever this creature attacks, if you control no untapped lands, it gets +3/+0 until end of turn.