Magosi, the Waterveil + Rings of Brighthearth + Elder Druid

Prerequisites

• Elder Duid does not have summoning sickness.

Steps

1. 1Activate Magosi's second activated ability by tapping it and paying .
2. 2Rings of Brighthearth triggers; choose not to pay for it.
3. 3Resolve the Magosi ability, putting an eon counter on Magosi and skipping your next turn.
4. 4Activate Elder Duid by paying and tapping it, targeting Magosi.
5. 5Rings of Brighthearth triggers; choose not to pay for it.
6. 6Activate Magosi's third activated ability by tapping it, removing an eon counter from it, and returning it to your hand.
7. 7Rings of Brighthearth triggers; pay and copy the Magosi ability.
8. 8Resolve both copies of the ability, cancelling out your skipped turn and taking an extra turn after this one.
9. 9Play Magosi.
10. 10Repeat each turn.

Effects

• Infinite turns
• Lock