Jemiah, The Analyzer

Flying, Indestructible, Lifelink

(The Last Analysis): For every {r} spent on {x} destroy {x} target creatures. If humans were destroyed in the process, “analyze” twice

{w}{u}{b}{g}{t}(Analyze): Reveal the top 5 cards of target opponents library, then destroy one creature or planeswalker. If a Human or Planeswalker was destroyed this way, repeat this process.