Makarov's Sacrifice

As an additional cost to casting this spell sacrifice a creature.
Deal X damage to each creature you don't control
where X is equal to the mana spent to cast this spell plus the sacrificed creatures toughness
"Trust your friends trust yourself, a guild is a family.
Never forget that, my journey has been a truly delightful one.... thanks to all of you! I have no more regrets, be good to each other you hear? FAIRY LAW." Makarov final words