Farrell, Leader of the Strong

Ambush {2}{r}{r} (At the beginning of combat
on your turn, you may cast this creature for it's
Ambush cost. If you do, this creature gains haste
until end of turn. At the beginning of your end
step, this creature deals damage to you equal to
it's power)
Creatures you control with Ambush have: "This
creature can't be blocked"
"Ready?"