Flying
Domain — When Skywriter Djinn enters, conjure a random card from Skywriter Djinn's spellbook into your hand. Then if you have fewer cards in hand than the number of basic land types among lands you control, repeat this process.

Goblin spells you cast cost less to cast. (If it doesn't require , it costs less to cast.)
At the beginning of your end step, conjure a random card from Goblin Influx Array's spellbook into your hand.

Flying
At the beginning of your end step, conjure a random card from Darigaaz, Shivan Champion's spellbook into exile face down with three egg counters on it. It gains "At the beginning of your upkeep, if this card is exiled, remove an egg counter from it. Then if it has no egg counters on it, put it onto the battlefield."