Warpfire Thrower

{0}:Tap another creature you control, while that creature remains tapped, you can use the ability
below:

Kill-Burn!-{1},{t}:Warpfire Thrower deals X damage to any target where X eqals the amount of Warpstone tokens you control, then sacrifice half of your Warpstone tokens

"Warpstone fire belches forth, reducing targets to nothing more than bubbling, crusted blobs"