Approach of the Second Sun | Sunbird's Invocation | God-Eternal Kefnet

(and one other card)

Move to your draw step, drawing
Approach of the Second Sun and revealing it due to
God-Eternal Kefnet's ability.
Resolve
God-Eternal Kefnet's trigger, copying
Approach of the Second Sun and casting the copy from your hand by paying ({4} magic symbol) ({W} magic symbol) .
Sunbird's Invocation triggers.
In response, cast
Brainstorm by paying ({U} magic symbol) .
Sunbird's Invocation triggers again, revealing the top card of your library and putting that card on the bottom of your library.
Resolve
Brainstorm, drawing three cards and putting
Approach of the Second Sun plus any other card on top of your library.
Resolve the remaining
Sunbird's Invocation trigger, revealing the top seven cards of your library, casting
Approach of the Second Sun without paying its mana cost, then putting the rest of the revealed cards on the bottom of your library.
Resolve
Approach of the Second Sun, putting it back into your library seventh from the top and gaining you 7 life.
Resolve the remaining copy of
Approach of the Second Sun.