Doom's Time Platform + Rift Elemental + Capture of Jingzhou

Prerequisites

• You control a creature that can attack and that cannot be blocked or killed by an opponent.

Steps

1. 1Cast Capture of Jingzhou by paying its mana cost, causing you to take an extra turn after this one.
2. 2Declare any creature as an attacker. When you do, Doom's Time Platform triggers, exiling Capture of Jingzhou from your graveyard with two time counters on it.
3. 3Move to your next turn. At the beginning of your upkeep, Capture of Jingzhou's suspend ability triggers, removing a time counter from it.
4. 4Activate Rift Elemental by paying and removing a time counter from Capture of Jingzhou.
5. 5Capture of Jingzhou's suspend ability triggers, causing you to cast it without paying its mana cost.
6. 6Resolve Capture of Jingzhou, causing you to take an extra turn after this one.
7. 7Repeat from step 2.

Effects

• Infinite turns
• Lock