Muldrotha, the Gravetide + Slick Imitator + Narset's Reversal + Beacon of Tomorrows

Muldrotha, the Gravetide

Slick Imitator

Narset's Reversal

Beacon of Tomorrows

How it works

1. Cast Beacon of Tomorrows by paying its mana cost.
2. Holding priority, cast Narset's Reversal by paying , targeting Beacon of Tomorrows.
3. Holding priority, activate Slick Imitator by paying 1 and sacrificing it, copying Narset's Reversal, with the copy targeting the original Narset's Reversal.
4. Resolve the copy of Narset's Reversal, copying the original Narset's Reversal targeting Beacon of Tomorrows, and returning the original Narset's Reversal to your hand.
5. Resolve Beacon of Tomorrows, causing you to take an extra turn after this one.
6. Cast Slick Imitator from your graveyard by paying 1.
7. Repeat each turn.