Blood-Crazed Hound

Double Strike, Trample
Bloodrush — {2}{r}, Discard Blood-Crazed
Hound: Target attacking creature gets +3/+1 and
gains double strike and trample until end of turn.
Madness {2}{b} (If you discard this card, discard it
into exile. When you do, cast it from exile or put it
into your graveyard.)