Asmodean Chamberlain

Hellbent - Asmodean Chamberlain gets
+2/+2 as long as you have no cards in hand.
Pay 2 life, {t}: Discard a card. Then, if the discarded card was a creature, target creature gets -X/-X until end of turn, where X is the discarded creatures power.
"Even brimstone needs a bit of tidying."