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Agatha's Soul Cauldron

Legendary Artifact

You may spend mana as though it were mana of any color to activate abilities of creatures you control.
Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron.
{T}: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control.

CMC
2
Mana cost
{2}
Color identity
C
Rarity
mythic
Set
Wilds of Eldraine Promos
Price
$31.71
EDHREC rank
#1392
Buy on TCGplayer
Agatha's Soul Cauldron card art
Agatha's Soul Cauldron turns your graveyard into a persistent ability reservoir — creatures exiled under it donate their activated abilities to every creature you control with a +1/+1 counter, which makes it a two-card engine in disguise rather than a simple hate piece. It costs two mana to cast and nothing to maintain, which is the real reason commanders like Ob Nixilis, Captive Kingpin and Agatha of the Vile Cauldron run it at such high rates.

Best Commanders

Commanders with the highest synergy

01
Agatha of the Vile Cauldron

Agatha of the Vile Cauldron

64.2% of decks · synergy 0.63

Agatha of the Vile Cauldron and Agatha's Soul Cauldron share an obvious mechanical spine — the commander distributes +1/+1 counters, and the Cauldron then lets every counter-bearing creature inherit the activated abilities of whatever is exiled beneath it, turning the whole board into a toolbox.

02
Sisay, Weatherlight Captain

Sisay, Weatherlight Captain

44.6% of decks · synergy 0.42

Sisay, Weatherlight Captain is a legendary-matters tutor engine that accumulates counters, and Agatha's Soul Cauldron lets Sisay copy the tapped abilities of any legendary creature exiled under it — effectively turning one-of utility legends in the graveyard into permanent upgrades.

03
Ob Nixilis, Captive Kingpin

Ob Nixilis, Captive Kingpin

41.8% of decks · synergy 0.40

Ob Nixilis, Captive Kingpin wins by dealing exactly one damage repeatedly, and Agatha's Soul Cauldron enables infinite loops by exiling creatures with mana-producing or untap abilities that Ob Nixilis can then use on himself to chain through the combo without additional pieces.

04
Ketramose, the New Dawn

Ketramose, the New Dawn

35.2% of decks · synergy 0.34

Ketramose, the New Dawn rewards casting spells from exile and graveyard recursion, and Agatha's Soul Cauldron fits that shell by filling the exile zone with creatures whose abilities then spread across the board as a byproduct of normal gameplay.

05
Tayam, Luminous Enigma

Tayam, Luminous Enigma

35.6% of decks · synergy 0.33

Tayam, Luminous Enigma mills and recurs permanents using counters, and Agatha's Soul Cauldron plugs directly into that loop — creatures Tayam mills get exiled under the Cauldron, which then grafts their activated abilities onto counter-laden creatures Tayam keeps recurring.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern legal
pioneer legal
standard legal
vintage legal
pauper not legal
oathbreaker legal

Commander is where Agatha's Soul Cauldron is most dangerous — the singleton format guarantees a wide variety of activated abilities to harvest, and the format's slower clock gives you time to stock the Cauldron and assemble a counter-bearing board before it matters. In competitive Commander it shows up in turbo-combo shells that use it to consolidate two or three separate win conditions into a single artifact. In Modern and Pioneer it has fringe applications in creature-combo decks that need to chain activated abilities, though the raw power ceiling is lower without the graveyard density Commander provides. Legacy and Vintage have access to faster, more broken engines, so the Cauldron is niche there. Standard play exists but is limited to dedicated synergy builds.

Key Combos

Combo lines featuring this card

Budget Alternatives

Cheaper options that do most of the same work

There is no clean one-card replacement for Agatha's Soul Cauldron because the ability-copying effect is unique at this efficiency — the closest functional analog is Mimic Vat, which lets you copy creature abilities through token generation but costs three mana and requires the creature to die rather than be exiled cleanly, losing the counter-spread entirely. If the primary goal is simply graveyard exile to deny recursion while generating value, Grafdigger's Cage does the hate work for pennies but contributes nothing to your own activated abilities; you're giving up the engine to save money.

Price Context

Current price

$31.71 premium tier

At $31.71, Agatha's Soul Cauldron sits firmly in the premium tier — a price driven by genuine tournament demand across multiple formats rather than casual speculation. It holds value well because the ability-copying text is narrow enough that Wizards won't reprint it carelessly, but the price is a real barrier for budget builds.

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Sources

Mentioned

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.