Emry, Lurker of the Loch + Umbral Mantle + Sol Ring + Krark-Clan Ironworks

Emry, Lurker of the Loch

Umbral Mantle

Sol Ring

Krark-Clan Ironworks

How it works

1. Activate Sol Ring by tapping it, adding CC.
2. Activate Krark-Clan Ironworks by sacrificing Sol Ring, adding CC.
3. Activate Emry by tapping it, allowing you to cast Sol Ring from your graveyard this turn.
4. Cast Sol Ring from your graveyard by paying 1.
5. Activate Emry by paying 3 and untapping it, giving itself +2/+2 until end of turn.
6. Repeat.