Initial Card State
- Alrund's Epiphany in exile.
- All permanents on the battlefield.
Notable Prerequisites
- Narset does not have summoning sickness.
- An opponent is unable to block and kill Narset.
- You have at least three other cards in exile.
Steps
- Activate Mirror of Fate by tapping and sacrificing it.
- Holding priority, activate Scrabbling Claws's first ability by tapping it, exiling Mirror of Fate from your graveyard.
- Resolve the Mirror of Fate ability, choosing itself, Alrund's Epiphany and three to five other face-up cards you own in exile, then exiling your library and putting the chosen cards on top, ensuring Alrund's Epiphany and Mirror of Fate are the topmost cards.
- Declare Narset as an attacker.
- Narset triggers, exiling the top four cards of your library and allowing you to cast them from exile this turn without paying their mana costs.
- During your postcombat main phase, cast Alrund's Epiphany from exile without paying its mana cost, causing you to create two 1/1 Bird creature tokens, take an extra turn after this one and exile Alrund's Epiphany.
- Cast Mirror of Fate from exile without paying its mana cost.
- Repeat each turn.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).