Unleashing Magical Power (TUS-045 N) [The Underworld of Secrets]

[Quickcast] If there are one or more magic counters on a J/ruler you control, choose one, then choose up to X times again, where X is the combined number of magic counters on J/rulers you control minus 1; - Cancel target spell or activate or automatic ability. - Put two [+100/+100] counters on target J/resonator. - Recover a magic stone you control. - Destroy target non-magic stone, non-J/resonator entity.