Odylic Wraith 
Creature — Wraith
Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) Whenever this creature deals damage to a player, that player discards a card.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL