Card Throw

A card glowing with energy streaks toward a creature within range. Make a ranged spell attack against every target you wish to attack, up to 2 cards can attack a target per successful roll. On a hit, the target takes 1d6 slashing damage.

You can throw more than 2 cards when you reach higher levels:  4 cards at 5th level, 6 cards at 11th level, and 8 cards at the 17th level.  You can direct the cards at the same target or at different ones. Make a separate attack roll for every 2 cards, Starting at 11th level you make separate attack rolls for every 4 cards.