King Vegeta, Umbral Invader

[+1] [Activate:Main] Choose up to 1 mono-green Extra Card with an energy cost of 2 or less and the [Field] skill in your hand and activate it. [-1] [Activate:Main] Your opponent chooses 1 of their Battle Cards with an energy cost of 5 or less and KOs it. [-3] [Activate:Battle] This card gets [Triple Strike] and +5000 power for each Extra Card in your Battle Area with the [Field] skill for the turn.