Belisarius Cawl
Legendary Artifact Creature — Human
Ultima Founding — 
, Tap two untapped artifacts you control: Create a 2/2 white Astartes Warrior creature token with vigilance.
Master of Machines — , Tap X untapped creatures you control: Look at the top X cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
- CMC
- 4
- Mana cost
- Color identity
- UW
- Rarity
- rare
- Set
- Warhammer 40,000 Commander
- Price
- $0.40
- EDHREC rank
- #12904
Belisarius Cawl untaps every Astra Militarum creature you control whenever it attacks — paired with Intruder Alarm, that's a loop that generates enough mana and triggers to end games on the spot. The six-mana cost is steep, but the engine it enables with Inquisitor Greyfax and tap-payoff creatures makes it the centerpiece of its archetype, not a support card.
Best Commanders
Commanders with the highest synergy
Inquisitor Greyfax
Inquisitor Greyfax gives your entire board vigilance, which means Belisarius Cawl's attack trigger untaps creatures that never tapped in the first place — stack that with Intruder Alarm and you have a repeatable, same-turn combo that requires almost no setup beyond the two commanders being in play together.
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 |
Belisarius Cawl is a Commander card — the Astra Militarum creature type has no meaningful support structure in Legacy or Vintage, so it's legal there in name only. In Commander, it occupies a specific and powerful niche: tap-untap combo shells built around Inquisitor Greyfax or similar creature-heavy white-blue strategies. It's a narrow card with a narrow home, but inside that home it's the engine that makes the deck go.
Key Combos
Combo lines featuring this card
Belisarius CawlIntruder Alarm
Infinite creature tokens; Infinite ETB; Infinite mana creatures you control can produce; Infinite untap of creatures; Infinite untap of creatures you control
View on Commander Spellbook ↗Price Context
Current price
$0.40 bulk tier
At $0.40, Belisarius Cawl is bulk despite being the functional centerpiece of its combo archetype — low demand outside that specific Warhammer 40K shell keeps the price flat. It's a safe pick-up at this price; there's no reason it goes lower, and any spike in Inquisitor Greyfax popularity would drag it up.
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Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.