You have any number of other nonland permanents that enter the battlefield untapped, and that can collectively tap to produce at least ({U} magic symbol) exiled by
Abdel Adrian.
Mana Needed
({U} magic symbol) available.
Steps
Cast a copy of
All Aboard by paying ({U} magic symbol) , targeting
Abdel Adrian.
Displacer Kitten triggers, blinking
Skycoach Conductor. It'll enter prepared due to its effect.
Resolve
All Aboard, blinking
Abdel Adrian. All permanents that were exiled with it will return to the battlefield.
When
Abdel Adrian enters, it triggers. Holding priority, activate any number of permanents by tapping them, adding at least ({U} magic symbol) .
Resolve
Abdel Adrian, exiling the permanents tapped for mana and creating that many 1/1 Soldier creature tokens.