Defender T: Add U. This mana can't be spent to cast a nonartifact spell.
Rarity:C
#:57
Card Type:Artifact Creature — Robot
P / T:2 / 3
Flavor:"Put it here. No, not there. Isaidnot there. Great. You've ruined six million dollars' worth of research, and I still don't have my coffee." —Tony Stark
