Star Forge

At the beginning of your end step you may
remove a force counter from a permanent you control, If you do you pay {x} if you do, create a
X/X colorless Fleet artifact creature token with
flying and annihilator 1. If you do not, lose 3 life
and put a force counter on Star Forge.
Remove a force counter from Star Forge: Draw
3 cards and gain 3 life.