Samuel Hayden, ARC Dir.

+1: Create a tapped Powerstone token. (It's an artifact with "Tap: Add 1 colorless mana. This mana can't be spent to cast a nonartifact spell.")
-1: Pay X mana. Look at X cards from the top of your library, put one in your hand and the rest randomly on the bottom of the library.
-7: You get an emblem with "Tap an untapped artifact you control. This emblem deals 1 damage to any target."