Phyrexian Dreadnought
Artifact Creature — Phyrexian Dreadnought
Trample
When this creature enters, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.
- CMC
- 1
- Mana cost
- Color identity
- C
- Rarity
- rare
- Set
- Judge Gift Cards 2010
- Price
- —
- EDHREC rank
- #9681
Phyrexian Dreadnought puts a 12/12 trample on the board for one mana — the catch is sacrificing creatures with total power 12 or more, or sacrificing it entirely. Commanders like Xu-Ifit, Osteoharmonist and Ratadrabik of Urborg exploit that enter-the-battlefield trigger rather than pay it, making Phyrexian Dreadnought one of the most efficient bodies in Commander when paired with the right shell.
Best Commanders
Commanders with the highest synergy

Xu-Ifit, Osteoharmonist
Xu-Ifit, Osteoharmonist's ability to copy enter-the-battlefield triggers turns Phyrexian Dreadnought into a repeatable engine — triggering the sacrifice clause becomes a feature rather than a cost when you're generating value off it each iteration.

Selvala, Heart of the Wilds
Selvala, Heart of the Wilds generates mana whenever a creature with the highest power enters, and a 12/12 for one mana is the most explosive power-to-cost ratio in the format — Phyrexian Dreadnought essentially converts one mana into a massive green mana burst on the spot.

Venom, Deadly Devourer
Venom, Deadly Devourer cares about sacrificing creatures and accumulating -1/-1 counters, so Phyrexian Dreadnought's mandatory sacrifice clause feeds that engine directly rather than working against it.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | not legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
In Commander, Phyrexian Dreadnought is a build-around piece — the sacrifice trigger is a liability in a vacuum but a combo enabler in decks that flicker it, copy its ETB, or circumvent the cost entirely with Stifle effects. Legacy is the format where it earned its notoriety: Stifle plus Phyrexian Dreadnought is a two-card combo that puts a free 12/12 into play as early as turn one, and that shell remains a real deck. Vintage legality means it's accessible there too, though the format's power ceiling renders it a niche choice. Modern, Pioneer, Standard, and Pauper don't have access to it, so competitive discussion lives entirely in Legacy and Commander.
Key Combos
Combo lines featuring this card



Ratadrabik of UrborgLeyline of SingularityPhyrexian Dreadnought
Draw the game; Infinite death triggers; Infinite ETB; Infinite LTB
View on Commander Spellbook ↗



Cloudstone CurioPhyrexian DreadnoughtPhyrexian AltarLife Finds a Way
Infinite death triggers; Infinite ETB; Infinite LTB; Infinite sacrifice triggers; Infinite storm count
View on Commander Spellbook ↗



Cloudstone CurioPhyrexian DreadnoughtAshnod's AltarLife Finds a Way
Infinite colorless mana; Infinite copies of creature tokens you control; Infinite creature tokens; Infinite death triggers; Infinite ETB; Infinite LTB; Infinite sacrifice triggers; Infinite storm count
View on Commander Spellbook ↗



Cloudstone CurioPhyrexian DreadnoughtThermopodLife Finds a Way
Infinite death triggers; Infinite ETB; Infinite LTB; Infinite sacrifice triggers; Infinite storm count
View on Commander Spellbook ↗



Chainer, Dementia MasterK'rrik, Son of YawgmothAngelic ChorusPhyrexian Dreadnought
Infinite death triggers; Infinite ETB; Infinite lifegain; Infinite lifegain triggers; Infinite LTB; Infinite sacrifice triggers
View on Commander Spellbook ↗Price Context
Current price
unknown tier
Current pricing data for Phyrexian Dreadnought isn't available in this context — check Scryfall or your preferred vendor for the live number. Given its Legacy combo pedigree and narrow but devoted Commander audience, it has historically commanded a meaningful price tag; verify before buying.
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Sources
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.