Wyll's Reversal (Extended Art) - 586 - (Commander Legends: Battle for Baldur's Gate)

Choose target spell or ability with one or more targets. Roll a d20 and add the greatest power among creatures you control.
1-14 | You may choose new targets for that spell or ability.
15+ | You may choose new targets for that spell or ability. Then copy it. You may choose new targets for the copy.