Furnace Celebration

Enchantment

Whenever you sacrifice another permanent, you may pay . If you do, Furnace Celebration deals 2 damage to any target.

2020-11-10:
Furnace Celebration itself doesn’t allow you to sacrifice any permanents. Its ability triggers whenever you sacrifice a permanent because something else instructed you to.
2020-11-10:
You choose whether to pay {2} as the ability resolves, if that target is still legal. No player may take actions between the time you pay {2} and the time damage is dealt.
2020-11-10:
You can’t pay {2} more than once each time Furnace Celebration’s ability resolves.