Sorcery, XUUR (3) Choose one - Draw X cards; or Invoke the Firemind deals X damage to target creature or player. To those in tune with the Firemind, there is no difference between knowledge and flame.
Illus. Zoltan Boros & Gabor Szikszai
2/1/2006: As you cast Invoke the Firemind, first you choose the mode (draw cards or deal damage), then you choose the value of X. You then choose a target, but only if you chose the second mode.