Wheel of Misfortune and Intervention Pact in hand.
({2} magic symbol) ({R} magic symbol) available.
Steps
Cast Wheel of Misfortune by paying ({2} magic symbol) ({R} magic symbol) .
Holding priority, cast Intervention Pact by paying ({0} magic symbol) , preventing all damage dealt by Wheel of Misfortune to you, and causing you to gain that much life.
Resolve Wheel of Misfortune, choosing an arbitrarily large number, and causing you to gain life equal to the number you chose if you chose the largest number.
If you didn't choose the largest number, Wheel of Misfortune deals that much damage to each opponent who chose the largest number.