Agrus Kos, Spirit of Justice

Legendary Creature — Spirit Detective

Double strike, vigilance
Whenever Agrus Kos enters or attacks, choose up to one target creature. If it's suspected, exile it. Otherwise, suspect it. (A suspected creature has menace and can't block.)

CMC
4
Mana cost
{2}{R}{W}
Color identity
RW
Rarity
mythic
Set
Murders at Karlov Manor Promos
Price
EDHREC rank
#11470
Buy on TCGplayer
Agrus Kos, Spirit of Justice card art
Agrus Kos, Spirit of Justice locks opponents out of attacking or blocking outside of declared combat triggers — an on-board prison effect that compounds fast in multiplayer. The cost is a three-mana legend with no immediate board impact, so it lives or dies by how quickly your table can answer a 2/2.

Best Commanders

Commanders with the highest synergy

01
Nelly Borca, Impulsive Accuser

Nelly Borca, Impulsive Accuser

68.9% of decks · synergy 0.67

Nelly Borca, Impulsive Accuser forces opponents to attack each turn, and Agrus Kos, Spirit of Justice punishes any creature that attacks without a legal target — together they funnel combat into a controlled mess that benefits whoever is best positioned to watch opponents destroy each other.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander
legacy
modern
pioneer
standard
vintage
pauper
oathbreaker

Commander is where Agrus Kos, Spirit of Justice actually matters — three opponents mean three combat steps potentially constrained, and politics tables amplify every prison piece. In 1v1 formats like Legacy, Modern, and Pioneer, a 2/2 for three that doesn't affect the board the turn it lands is simply too slow and too easy to ignore. Standard legality is technically true but functionally irrelevant; aggressive and midrange decks in that format answer or race past it before it does anything. Oathbreaker gives it a niche home in white-red shells that care about combat restriction, though the 20-life clock compresses how much work it can do.

Key Combos

Combo lines featuring this card

Price Context

Current price

unknown tier

No current price data is available for Agrus Kos, Spirit of Justice, so check Scryfall or TCGPlayer for a live number. Given its narrow competitive application and Commander-specific role, it typically behaves like a mid-to-low demand legend — worth picking up cheap if the Nelly Borca or combat-prison shell interests you, but unlikely to carry a premium.

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