An almost impossible combo

Add , then add for each card named Rite of Flame in each graveyard.

You have shroud. (You can't be the target of spells or abilities.)

Add .

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay . If the player does, they may copy this spell and may choose a new target for that copy.

, , Sacrifice Mindslaver: You control target player during that player's next turn. (You see all cards that player could see and make all decisions for them.)

Whenever a player casts an instant or sorcery spell, each other player copies that spell. Each of those players may choose new targets for their copy.