Someone told me that you can pay 1 resource and sacrifice a unit to the Grudge thrower even if it's not the battlefiled phase yet... Is that possible?
For example during my capital phase my opponent decided to kill one of my dwarf (the card used for doing so is not relevant) and I decided to pay 1 resource and sacrifice that "walking dead" dwarf in order to activate grudge thrower. Then comes my battlefield phase: do all my attacking dwarves take +1 power?
I hope my question is clear enough...