This card on the field cannot be destroyed or [Rest] by your opponent's card effects.
[Overkill] [Pay 1 life during your main phase] Put the top three cards of your deck into your drop zone, and call up to three monsters from among them without paying their [Call Cost]. (You may only use [Overkill] once per game. [Overkill] cannot be nullified, and your opponent cannot [Counter] it.)
