Instant, G (1)
Common
Target creature gets +1/+1 until end of turn for each creature you control.
The Joraga elves never need ask a troll to leave their territory. They merely grant it their combined strength, and it can't resist embarking on a merry rampage.
Illus. Johann Bodin

6/15/2010: The bonus is determined as Might of the Masses resolves. It won't change if the number of creatures you control changes later in the turn.
6/15/2010: If you target a creature you control with Might of the Masses, remember to count that one when determining the amount of the bonus.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Extended (Type 1.X)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern