Alexander, The Iron Fist

Trample, Whenever you sacrifice a creature,
put a +1/+1 counter on this creature.

{b}{g}, Sacrifice a creature: Choose one;
• Put a +1/+1 counter on this creature.
• Gain life equal to sacrificed creatures toughness.

{g}{g}{g},{t}: Alexander fights target creature you don't control. When a creature dies this way, create a treasure token.