Gangplank, Bilgewater's Scar

Whenever another creature dies, create a Treasure token. (It is a artifact with "{t}, Sacrifice this artifact: Add one mana of any color.")
Sacrifice five Treasures: Gangplank, Bilgewater's Scar deals 5 damage to target creature and planeswalker.
"I was cutting throats and sinking Noxian war galleys when you were still pissing your britches, boy. Step aside."