Gateway to Doom

When Gateway To Doom enters the battlefield, destroy target creature. If the destroyed creature had power 2 or less, you get {e}{e}.
{e},{t}: Add {b} to your mana pool.
"Ah, classic. Heroes flock to adventure like moths to a fire. And just like their winged counterparts, they'll get burned."
-Morrival, Queen of Mortian Daq