Father Dagon, Familiar of Cthulhu (MP01-130 SR) [Masterpiece "Pilgrim-Memories"]

[Incarnation] U or B, U or B [Enter] >>> Reveal the top four cards of your deck. You may put a Cthulhu from among them into your hand. If you do, put the rest into your graveyard. Otherwise, put the rest on the bottom of your deck in any order. At the beginning of the end phase >>> If you don't control a J/resonator, you may put this card from your graveyard into the field. This ability triggers only if you control a Cthulhu J/ruler, a Demonic J/ruler or a Fiend J/ruler.