Magosi, the Waterveil + Portent Tracker + Rings of Brighthearth

Prerequisites

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Steps

1. 1Activate Magosi's second activated ability by paying and tapping it.
2. 2Rings of Brighthearth triggers. Choose not to pay.
3. 3Resolve the Magosi ability, putting an eon counter on it and skipping your next turn.
4. 4Activate Portent Tracker by tapping it, targeting Magosi.
5. 5Rings of Brighthearth triggers. Choose not to pay.
6. 6Resolve the Portent Tracker ability, untapping Magosi.
7. 7Activate Magosi's third activated ability by tapping it, removing an eon counter from it, and returning it to your hand.
8. 8Rings of Brighthearth triggers, causing you to pay to copy Magosi's ability.
9. 9Resolve both instances of Magosi's ability, causing you to take two extra turns after this one.
10. 10Play Magosi.
11. 11Move to your second extra turn. The first extra turn will be skipped due to the ability activated in step 1.
12. 12Repeat.

Effects

• Infinite turns
• Lock