Zethi, Arcane Blademaster | Said // Done | Capture of Jingzhou

Cards

({5} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) available.

Cast
Capture of Jingzhou by paying ({3} magic symbol) ({U} magic symbol) ({U} magic symbol) , causing you to take an extra turn after this one.
Move to your combat phase, and declare
Zethi as an attacker.
Zethi triggers, causing you to pay ({2} magic symbol) ({U} magic symbol) to cast a copy of
Said.
Resolve
Said, returning
Capture of Jingzhou from your graveyard to your hand.
Repeat each turn.