Photon, Lady of Light

The blink-on-attack template binds a value engine to the red zone: the trigger only fires when you commit a creature to the swing, so the reward is coupled to a moment of exposure that instant-speed flicker never demands. Self-flicker for enters-the-battlefield rewards has lived mostly in white and blue, where Restoration Angel gave the effect a flash-speed body and Flickerwisp handled it on entry. Here the exile-and-return lands at the declare-attackers step, which reshapes the math. You are not paying mana to reset a creature, and because the trigger needs an attack, it cannot intervene against a removal effect resolving mid-turn the way a flash blink can. What it does, turn after turn, is re-fire a value creature's arrival, or strip auras and counters off one of your own bodies by resetting it as a fresh object. The returned creature arrives untapped as a new permanent but with summoning sickness, so while it is physically ready, it cannot use a tap ability until you have controlled it since your most recent turn began. The clause returns the exiled card, so a token flickered this way is gone for good rather than coming back. The "up to one" wording lets the attack resolve cleanly on turns you have nothing worth blinking, and restricting the target to a creature you control keeps this a self-serve loop rather than a removal outlet: a commander for a deck whose value is front-loaded onto the instant a creature hits the table.