Magosi, the Waterveil + Portent Tracker + Lithoform Engine

Prerequisites

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Steps

1. 1Activate Magosi's second activated ability by paying and tapping it, putting an eon counter on Magosi and skipping your next turn.
2. 2Activate Portent Tracker by tapping it, untapping Magosi.
3. 3Activate Magosi's third activated ability by tapping it, removing an eon counter from it, and returning it to your hand.
4. 4Holding priority, activate Lithoform Engine by paying and tapping it, copying Magosi's ability.
5. 5Resolve both instances of Magosi's ability, causing you to take two extra turns after this one.
6. 6Play Magosi.
7. 7Move to your second extra turn. The first extra turn will be skipped due to the ability activated in step 1.
8. 8Repeat.

Effects

• Infinite turns
• Lock