Seleglare the Luminous Lunar Dragon — Ruling

Effetto 0

This card's effect that allows it to be Normal Summoned/Set without Tributing is not classified as an Ignition, Trigger, Quick, or Continuous Effect. (You can Normal Summon it this way in face-up Attack Position, or Normal Set it in face-down Defense Position.)
This card's effect that makes its original ATK become 1500 is not classified as an Ignition, Trigger, Quick, or Continuous Effect.
This card's effect that takes control of an opponent's monster is a Quick Effect. (It targets 1 face-up monster in your opponent's Monster Zone with equal or less ATK than this card.)

Returning this card to the hand and taking control of the targeted monster happen simultaneously.