Partner with Manon, Blackbeak Heir (When this creature enters the battlefield target player may put Manon, Blackbeak Heir into their hand from their library, then shuffle).

Soulbond (Pair this creature with Manon, Blackbeak Heir when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Abraxos, Wyvern Survivor is paired with a creature, each of those creatures has flying.