Peregrine Drake enter the battlefield, their abilities trigger.
Resolve the
Skullwinder trigger, returning
Ghostly Flicker to your hand from your graveyard and causing an opponent to return a card to their hand from their graveyard.
Resolve the
Peregrine Drake trigger, untapping up to five lands.
Repeat.
Notes
If you control five lands that can tap to produce at least ({3} magic symbol) ({U} magic symbol) , this combo nets infinite mana, and you may blink any other permanent besides
Peregrine Drake.
Results
Target opponent returns all cards in their graveyard to their hand.