Requires 1 creature (Kaalia) and 1WWB (this can be shortcut by 1 if you have two lands and a rock in play).
Cheat in Razaketh off Kaalia. Sacrifice Kaalia or another creature (-2 life). Tutor Leonin Relic Warder. Cast Leonin Relic Warder (WW). If you have a mana rock in play, exile it. Otherwise, target something you don't like. Sacrifice the Relic Warder (-2 life). This will either bring your rock back untapped or, if done in response to the ETB trigger, permanently exile the problem card. Tutor Animate Dead. Cast Animate Dead targeting Leonin Relic Warder (1B). Leonin Relic Warder enters the battlefield. Target Animate Dead. Animate Dead is exiled, sacrifice trigger goes on stack. Sacrifice the Relic Warder to return Animate Dead, creating a loop where you can repeatedly tutor for -2 life. Tutor up one of your combos and enough fast mana needed to cast it (-2 life per activation).