Vizkopa Guildmage by paying ({1} magic symbol) ({W} magic symbol) ({B} magic symbol) , causing each opponent to lose life whenever you gain life this turn.
Cast
Pain's Reward by paying ({2} magic symbol) ({B} magic symbol) , betting a number equal to your life total minus 1.
If you win the bid, resolve
Pain's Reward, causing you to lose that much life and draw four cards.
Activate
Children of Korlis by sacrificing it, causing you to gain life equal to the life you've lost this turn.
Vizkppa Guildmage triggers, causing each opponent to lose life equal to the life you gained.
Notes
If an opponent outbids you, then you cannot perform steps 3-5. If you have the highest life total, however, that opponent will lose the game due to having 0 or less life.