Ultimate Earthbound Immortal — Ruling

Effetto 0

You can activate a face-down Ultimate Earthbound Immortal at any time except the Damage Step.

This card's effect that destroys a face-up monster on the field starts a Chain. (It cannot be activated during the Damage Step. You can activate this Set card and this effect as part of the same Chain Link.)
This effect can only be activated if there is an "Earthbound Immortal" monster face-up in either your Monster Zone or your opponent's Monster Zone that was Normal Summoned/Set.
This effect targets 1 face-up monster in either your Monster Zone or your opponent's Monster Zone.