Jin-Gitaxias // The Great Synthesis + Time Stretch + Eternal Witness

Prerequisites

• You have at least eight cards in hand.

Steps

1. 1At the beginning of your precombat main phase, The Great Synthesis triggers, putting a lore counter on it. Its third chapter ability then triggers, causing you to cast Time Stretch and Eternal Witness without paying their mana costs, and then exiling The Great Synthesis and returning it to the battlefield as Jin-Gitaxias.
2. 2Resolve Time Stretch, causing you to take two extra turns after this one.
3. 3Resolve the Eternal Witness spell. When it enters, it triggers, returning Time Stretch from your graveyard to your hand.
4. 4Activate Jin-Gitaxias by paying , exiling it and returning it to the battlefield as The Great Synthesis.
5. 5When 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.
6. 6Move to your first extra turn. At the beginning of your precombat main phase, The Great Synthesis triggers, putting a lore counter on it. Its second chapter ability then triggers, returning all non-Phyrexian creatures (including Eternal Witness) from the battlefield to their owner's hand.
7. 7Repeat from step 1 during your second extra turn

Effects

• Lock
• Near-infinite turns