Cocytus, The Master Duelist

Lieutenant —If you control your Commander, this card gains "Creatures which block Cocytus, The Master Duelist, gain a -1/-1 counter until the end of turn."

Trample

If this card is equipped, Cocytus, The Master Duelist gains Menace.

{3}{g}{t}: Cocytus, The Master Duelist, fights target creature you don't control.