Junkyard Genius

Creature — Human Artificer

When this creature enters, create a tapped Powerstone token. (It's an artifact with "T: Add C. This mana can't be spent to cast a nonartifact spell.") 1BR, Sacrifice another creature or artifact: Until end of turn, other creatures you control get +1/+0 and gain menace and haste.

ArtistaRémi Jacquot