Spellbinder, Said // Done, and Capture of Jingzhou

Prerequisites

• Spellbinder on the battlefield
• Said // Done in exile
• Capture of Jingzhou in hand
• Spellbinder attached to a creature that can attack this turn, and that cannot be blocked and killed by an opponent
• each turn available

Steps

1. Cast Capture of Jingzhou by paying , causing you to take an extra turn after this one
2. Deal combat damage to an opponent using the creature that has Spellbinder attached
3. Spellbinder triggers, causing you to cast a copy of Said without paying its mana cost
4. Resolve Said, returning Capture of Jingzhou from your graveyard to your hand
5. Repeat each turn

Results

• Infinite turns
• Instant/Sorcery with "Return Instant/Sorcery from GY to hand"