Echocasting Symposium + Capture of Jingzhou + Archaeomancer

Prerequisites

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Steps

1. 1Cast Capture of Jingzhou by paying its mana cost, causing you to take an extra turn after this one.
2. 2Move to your next turn. At the beginning of your precombat main phase, Echocasting Symposium's paradigm ability triggers, causing you to cast a copy of it from exile.
3. 3Resolve the copy, creating a token copy of Archaeomancer
4. 4When the Archaeomancer token enters, it triggers, returning Capture of Jingzhou from your graveyard to your hand.
5. 5Repeat.

Effects

• Infinite turns
• Lock