Emry, Lurker of the Loch + Mirran Spy + Etherium Sculptor + Chromatic Star

Emry, Lurker of the Loch

Mirran Spy

Etherium Sculptor

Chromatic Star

How it works

1. Activate Chromatic Star by paying 1, tapping, and sacrificing it, adding one mana of any color.
2. Chromatic Star triggers, causing you to draw a card.
3. Activate Emry by tapping it, allowing you to cast Chromatic Star from your graveyard this turn.
4. Cast Chromatic Star from your graveyard by paying 0.
5. Mirran Spy triggers, untapping Emry.
6. Repeat.