Slag Fiend

Creature — Phyrexian Construct

Slag Fiend's power and toughness are each equal to the number of artifact cards in all graveyards.

CMC
1
Mana cost
{R}
Color identity
R
Rarity
rare
Set
New Phyrexia
Price
$0.17
EDHREC rank
#24479
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Slag Fiend card art
Slag Fiend is a zero-mana creature that can hit the table as a massive threat in artifact-heavy decks, scaling directly with the number of artifact cards in all graveyards. The catch is that it does nothing without graveyard setup — in the wrong shell it's a 0/0 that dies on entry.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander
legacy
modern
pioneer
standard
vintage
pauper
oathbreaker

In Commander, Slag Fiend earns its slot in artifact-recursion and self-mill strategies where graveyards fill fast — Daretti, Scrap Savant or Mishra, Artificer Prodigy lists can have it entering as a 10/10 by midgame. In Legacy and Vintage, the raw speed of those formats means artifact counts spike early, but a 0-mana beater with no evasion and no immediate impact competes poorly with the format's top threats. Modern offers the most realistic competitive home, where Affinity-adjacent shells can leverage Slag Fiend as a free threat that grows off the same cards feeding your other payoffs. Outside artifact synergy, it's unplayable in any format — a 0/0 with no enters-the-battlefield effect is a liability.

Key Combos

Combo lines featuring this card

Price Context

Current price

$0.17 bulk tier

At $0.17, Slag Fiend is pure bulk — you're picking it up as a throw-in, not a budget consideration. It holds no financial value, but in the right artifact deck it punches well above its price tag.

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Mentioned

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