George Takei

+1: Add three Meme artifact tokens to the battlefield under your control. It has: "Sacrifice this artifact, scry 1."
-3: Until the next beginning of your next turn, George Takei becomes a 0/5 Defender with Indestructible Reach & Hexproof. It's still a planeswalker.
-7: You get an Emblem: "Whenever you sacrifice a Meme, you gain 10 life."