威迩的逆转术 (Wyll's Reversal) (zhs)
Instant
(CMC 3)
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.