perfect repulsion 139 (Alchemical Revolution)

The next time target unit you control would take exactly X damage this turn, prevent that damage, where X is the amount of cards in your memory. Draw a card if damage was prevented this way. (X is calculated only as this card resolves.)

NM - $0.70
LP - $0.70
MP - $0.70
HP - $0.70
DMG - $0.70