Painful Blow (Full Art) (NWE-074 N) [A New World Emerges]

[Quickcast] Rest target J/resonator. If damage would be dealt to the chosen target this turn, it's dealt double that much instead. Produce R. Draw a card. [Mastery] "Beserker" (You may rest a recovered card named "Beserker" you control rather than pay this card's cost.)