Muldrotha, the Gravetide + Displacer Kitten + Sol Ring + Umbral Collar Zealot

4-card combo · BGU

Verdict

Yes — this 4-card loop generates infinite ETB, LTB, storm count, and surveil triggers as long as Sol Ring stays in the yard and Muldrotha keeps refreshing her cast permission.

Cards required

Cheapest stack total

$1.25

Color identity

BGU

Popularity

90 decks

Format

Commander

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Muldrotha, the Gravetide lets Sol Ring recast from the graveyard each loop; Umbral Collar Zealot sacrifices Sol Ring to fund that recast, and every noncreature spell cast blinks Muldrotha via Displacer Kitten, resetting her once-per-turn artifact restriction. The Sultai shell running this already wants Muldrotha as the engine — the Kitten and Collar Zealot slot in as the ignition rather than asking for a dedicated combo deck.

How it works

Prerequisites

You have not cast an artifact spell using Muldrotha this turn.

Steps

Activate Sol Ring by tapping it, adding .
Activate Umbral Collar Zealot by sacrificing Sol Ring
Cast Sol Ring from your graveyard by paying .
Displacer Kitten triggers, blinking Muldrotha.
Repeat.

Result

Infinite LTB; Infinite ETB; Infinite storm count; Infinite surveil

Cheaper, tighter, alternate lines

Any zero- or one-mana artifact that can sacrifice itself fills the Sol Ring role if a tighter loop is needed — Tormod's Crypt costs zero and dodges the one-mana recast step. The loop produces no mana net, so pair it with Impact Tremors, Altar of Dementia, or any ETB-damage payoff already in the Sultai graveyard toolbox to close the game.

Muldrotha, the Gravetide + Displacer Kitten + Sol Ring + Umbral Collar Zealot

How it works

Cheaper, tighter, alternate lines

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