Demonlord Yazhainad

Demon creatures get +1/+1 until end of turn.
{1}{b}{r}: Demonlord Yazhainad 5 damage to target player or planeswalker. That player or that planeswalker's controller discards 5 cards.
{3}{b}{r}: Gain control of target creature until end
of turn. Untap it. It gains haste until end of turn.
Sacrifice it at the beginning of the next end step
if it has converted mana cost 3 or less.