Magosi, the Waterveil + The Ozolith + Nature's Revolt + Contagion Clasp

Prerequisites

• Magosi has at least one eon counter on it and does not have summoning sickness.
• It is your precombat main phase.

Steps

1. 1During your precombat main phase, activate Contagion Clasp by paying and tapping it, putting an eon counter on Magosi.
2. 2Activate Magosi's third ability by tapping it, removing an eon counter from it and returning it from the battlefield to your hand.
3. 3When Magosi leaves the battlefield, The Ozolith's first ability triggers, putting an eon counter on The Ozolith.
4. 4Resolve the Magosi ability, causing you to take an extra turn after this one.
5. 5Play Magosi.
6. 6At the beginning of your combat phase, The Ozolith triggers, putting an eon counter on Magosi.
7. 7Repeat each turn.

Effects

• Infinite turns
• Lock