Ikani, Awakened Horror

Flying, trample
Gilded- When a creature you control dies, create a artifact token named Treasure with, "{t}Sacrifice this artifact, add one mana of any color." Whenever you sacrifice a Treasure token, creatures you control get +2/+2 until end of turn and gain first strike.
"Ikani's city awakened after its slumber, then Ikani himself. When will this nightmare end? Probably after the Great War."