Fire Hound

—{b}{r}{r}{r}: Fire Hound gets +7/+5 until end of turn. sacrifice Fire Hound at the start of next your next turn.
—{t} {r}: target creature gets +2/+0.
—{r}{r}{r}{b}{b}{b}{b}{1}: target creature gets +8/+0 and gains flying until end of turn. sacrifice it at the start of your next turn