Gaxalor, Molten Hunger

Trample, haste
{r}: Creatures you control get +1/+0 until end of
turn.
{5}{r}{r}{r}: Gaxalor, Molten Hunger gains double strike until end of turn.
And so he feasted. Hero upon hero came to vanquish
the eternally starving creature, and all were
just another morsel.