Muldrotha, the Gravetide + Displacer Kitten + Glaring Fleshraker + Umbral Collar Zealot

Muldrotha, the Gravetide

Displacer Kitten

Glaring Fleshraker

Umbral Collar Zealot

How it works

1. Cast the artifact from your graveyard by paying at most 1.
2. Displacer Kitten and Glaring Fleshraker's first ability trigger.
3. Resolve the Displacer Kitten trigger, blinking Muldrotha.
4. Resolve the Glaring Fleshraker trigger, creating a 0/1 Eldrazi Spawn creature token.
5. When the Eldrazi Spawn enters, Glaring Fleshraker's second ability triggers, dealing 1 damage to each opponent.
6. Activate the Eldrazi Spawn by sacrificing it, adding C.
7. Activate Umbral Collar Zealot by sacrificing the artifact.
8. Repeat.