Jin-Gitaxias // The Great Synthesis, Time Stretch, and Donnie & April, Adorkable Duo

Prerequisites

• Jin-Gitaxias // The Great Synthesis on the battlefield
• Time Stretch in hand
• Donnie & April, Adorkable Duo on the battlefield
• each other turn available

Steps

1. At the beginning of your precombat main phase, The Great Synthesis triggers, putting a lore counter on it
2. Its third chapter ability then triggers, causing you to cast Time Stretch and Donnie & April without paying their mana costs, and then exiling The Great Synthesis and returning it to the battlefield as Jin-Gitaxias
3. Resolve Time Stretch, causing you to take two extra turns after this one
4. Resolve the Donnie & April spell
5. When it enters, it triggers, returning Time Stretch from your graveyard to your hand
6. Activate Jin-Gitaxias by paying , exiling it and returning it to the battlefield as The Great Synthesis
7. When The Great Synthesis enters with a lore counter on it, its first ability triggers, causing you to draw cards equal to the number of cards in your hand and not have a maximum hand size for the rest of the game
8. Move to your first extra turn
9. At the beginning of your precombat main phase, The Great Synthesis triggers, putting a lore counter on it
10. Its second chapter ability then triggers, returning all non-Phyrexian creatures (including Donnie & April) from the battlefield to their owner's hand
11. Repeat from step 1 during your second extra turn

Results

• Lock
• Near-infinite turns