Machamp, Punching Champion

First Strike, Haste
{r}{r} or {3}: Machamp fights target creature. If
Machamp has dealt combat damage this turn, it
gains double strike until end of turn.
When Machamp kills a creature in combat or by fighting it, put a +1/+1 counter on it. If
Machamp kills three creatures in one turn, put a trample, menace, or vigilance counter on it.