when junkyard genius enters the battlefield, 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.
1br, sacrifice another creature or artifact: until end of turn, other creatures you control get +1/+0 and gain menace and haste.
