Harald Unites the Elves + Moritte of the Frost + Leyline of Singularity

Prerequisites

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Steps

1. 1Cast Harald Unties the Elves by paying , causing it to enter the battlefield with a lore counter on it.
2. 2Harald Unites the Elves' first chapter ability triggers, causing you to mill three cards, and return Moritte from your graveyard to the battlefield as a copy of Harald Unites the Elves with one lore counter on it.
3. 3Put Moritte of the Frost into your graveyard due to the legend rule.
4. 4Moritte of the Frost's first chapter ability triggers, causing you to mill three cards, and return Moritte from your graveyard to the battlefield as a copy of Harald Unites the Elves with one lore counter on it.
5. 5Repeat from step 3.

Effects

• Infinite self-mill