God-Eternal Kefnet | Isochron Scepter | Brainstorm

(and one other card)

({2} magic symbol) plus ({3} magic symbol) ({U} magic symbol) ({U} magic symbol) available each other turn available.

During the end step before your turn, activate
Isochron Scepter by paying ({2} magic symbol) and tapping it, casting a copy of
Brainstorm without paying its mana cost.
Resolve
Brainstorm, causing you to draw three cards and put
Capture of Jingzhou and another card on top of your library, ensuring
Capture of Jingzhou is the topmost card.
Move to your turn, drawing and revealing
Capture of Jingzhou during your draw step.
God-Eternal Kefnet's first ability triggers, causing you to pay ({1} magic symbol) ({U} magic symbol) ({U} magic symbol) to cast a copy of
Capture of Jingzhou.
Resolve the copy of
Capture of Jingzhou, causing you to take an extra turn after this one.
Activate
Isochron Scepter by paying ({2} magic symbol) and tapping it, casting a copy of
Brainstorm without paying its mana cost.
Repeat from step 2.