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Doomsday Excruciator

Creature — Demon

Flying
When this creature enters, if it was cast, each player exiles all but the bottom six cards of their library face down.
At the beginning of your upkeep, draw a card.

CMC
6
Mana cost
{B}{B}{B}{B}{B}{B}
Color identity
B
Rarity
rare
Set
Duskmourn: House of Horror Promos
Price
—
EDHREC rank
#6039
Buy on TCGplayer
Doomsday Excruciator card art
Doomsday Excruciator hits the table and immediately threatens to exile everything an opponent owns — library, hand, and graveyard — as long as you can keep swinging through. The mana and setup cost are real, but in a deck like Umbris, Fear Manifest that already mills and exiles for value, this card closes games rather than setting them up, which is exactly what a high-cost threat needs to do. Breach the Multiverse this is not — Doomsday Excruciator doesn't recycle your opponents' threats, it annihilates them.

Best Commanders

Commanders with the highest synergy

01
Umbris, Fear Manifest

Umbris, Fear Manifest

16.8% of decks · synergy 0.15

Umbris, Fear Manifest grows on every exile trigger, so Doomsday Excruciator's combat-damage-to-player exile clause turns each attack into both a clock and a pump spell — often lethal in two hits.

02
Valgavoth, Terror Eater

Valgavoth, Terror Eater

15.1% of decks · synergy 0.13

Valgavoth, Terror Eater rewards opponents taking damage with card advantage for you, and Doomsday Excruciator's repeated combat triggers feed that engine while simultaneously dismantling the damaged player's resources.

03
Ardyn, the Usurper

Ardyn, the Usurper

15.7% of decks · synergy 0.13

Ardyn, the Usurper cares about exiling cards from opponents, and Doomsday Excruciator delivers bulk exile on contact — synergy that compounds fast when Ardyn has evasion support in the 99.

04
Phenax, God of Deception

Phenax, God of Deception

12.4% of decks · synergy 0.11

Phenax, God of Deception mills libraries into graveyards, and Doomsday Excruciator's exile clause means opponents can't recur or benefit from what Phenax dumps — it closes the loop that mill strategies normally leave open.

05
Maralen of the Mornsong

Maralen of the Mornsong

10.5% of decks · synergy 0.08

Maralen of the Mornsong locks players out of drawing, and Doomsday Excruciator piles on by exiling the library itself — together they create a hard resource denial package that leaves opponents with nothing to work with.

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 Doomsday Excruciator actually belongs — the format's longer game gives it time to connect, and exiling a single opponent's library is a meaningful swing at a four-player table. In 1v1 formats like Legacy or Modern, a high-mana creature that requires combat damage to generate value is simply too slow against the interaction density, and the exile payoff doesn't compensate for the tempo loss. Pioneer and Standard are legal homes on paper, but creature-based win conditions at this cost face the same problem: the format's removal density and aggressive curve punish setup-heavy threats. Oathbreaker is a functional middle ground if your signature spell supports the gameplan. Stick to Commander.

Key Combos

Combo lines featuring this card

Price Context

Current price

unknown tier

Pricing data for Doomsday Excruciator isn't currently available through the tracker, so check Scryfall or TCGPlayer for the latest figure before buying. Given its niche role in mill and exile strategies, it tends not to carry a significant premium — if you're building Umbris, Fear Manifest or a similar shell, it's worth picking up whenever it's reasonably priced.

Explore

Sources

Mentioned

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