Wispweaver Angel | Vesuvan Doppelganger

Cards

Cast
Vesuvan Doppelganger by paying ({3} magic symbol) ({U} magic symbol) ({U} magic symbol) , choosing to have it enter the battlefield as a copy of
Wispweaver Angel.
When
Vesuvan Doppelganger enters the battlefield, it triggers, blinking
Wispweaver Angel.
When
Wispweaver Angel enters the battlefield, it triggers, blinking
Vesuvan Doppelganger, with
Vesuvan Doppelganger entering the battlefield as a copy of
Wispweaver Angel.
Repeat from step 2.