Furyblade Vampire 
Creature — Vampire Berserker
Trample At the beginning of combat on your turn, you may discard a card. If you do, this creature gets +3/+0 until end of turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL