Bloodhall Priest 
Creature — Vampire Cleric
Whenever this creature enters or attacks, if you have no cards in hand, this creature deals 2 damage to any target.
Madness 
(If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL