Muldrotha, the Gravetide + Displacer Kitten + Sol Ring + Grinding Station

Muldrotha, the Gravetide

Displacer Kitten

Sol Ring

Grinding Station

How it works

1. Activate Sol Ring by tapping it, adding CC.
2. Activate Grinding Station by tapping it and sacrificing Sol Ring, causing target player to mill three cards.
3. Cast Sol Ring from your graveyard by paying 1.
4. Displacer Kitten triggers, blinking Muldrotha.
5. When Sol Ring enters the battlefield, Grinding Station triggers, untapping Grinding Station.
6. Repeat.