Cast this spell only during combat after blockers are declared. Flip a coin. If you win the flip, target creature gets +1/+1 until end of turn. Draw a card at the beginning of the next turn's upkeep.
2004-10-04
You pick the target on announcement and flip the coin on resolution.
2013-09-20
If a turn has multiple combat phases, this spell can be cast during any of them as long as it's after the beginning of that phase's Declare Blockers Step.