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Kefnet's Monument

Legendary Artifact

Blue creature spells you cast cost {1} less to cast.
Whenever you cast a creature spell, target creature an opponent controls doesn't untap during its controller's next untap step.

CMC
3
Mana cost
{3}
Color identity
C
Rarity
uncommon
Set
Amonkhet
Price
$0.36
EDHREC rank
#4950
Buy on TCGplayer
Kefnet's Monument card art
Kefnet's Monument makes every blue creature spell you cast cost one generic less and taps down a blocker on the way in — that's a cost reducer and a pseudo-removal spell stapled together for three mana. In dedicated blue-creature builds, especially Charix, the Raging Isle decks hunting Monument-style discounts, it pulls more weight than its price tag suggests; pair it with Tangleroot and you have a self-fueling engine that borderlines on broken.

Best Commanders

Commanders with the highest synergy

01
Charix, the Raging Isle

Charix, the Raging Isle

31.3% of decks · synergy 0.25

Charix, the Raging Isle is a blue creature deck almost by definition, so Kefnet's Monument's cost reduction fires on nearly every spell while the tap trigger softens up blockers before Charix swings for lethal. Over 31% of Charix lists run it, and that number reflects how naturally the two slot together.

02

Runo Stromkirk

20.0% of decks · synergy 0.19

Runo Stromkirk wants a critical mass of blue creatures to flip and start copying sea monsters, and Kefnet's Monument accelerates that count by shaving a mana off each one. The tap-down rider also buys Runo time to survive long enough to flip.

03
Kiora, Sovereign of the Deep

Kiora, Sovereign of the Deep

16.6% of decks · synergy 0.16

Kiora, Sovereign of the Deep rewards you for casting creatures with high mana values, and Kefnet's Monument lets you hit those spells a turn earlier while pacifying a blocker mid-chain. The Monument appears in about 17% of Kiora lists, a natural fit for a deck already leaning on blue creature density.

04
Y'shtola Rhul

Y'shtola Rhul

19.0% of decks · synergy 0.13

Y'shtola Rhul cares about instants and creatures, and Kefnet's Monument's cost reduction keeps the creature side of that equation flowing efficiently. The tap trigger also aligns with Y'shtola's defensive, tempo-oriented gameplan.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern legal
pioneer legal
standard not legal
vintage legal
pauper not legal
oathbreaker legal

Kefnet's Monument is legal in Commander, Legacy, Modern, Pioneer, Vintage, and Oathbreaker, but its real home is Commander — three mana for a static cost reducer is too slow for Legacy and Modern, where the competition for the same slot is brutal and the payoff window too narrow. In Pioneer it's theoretically playable in a blue-creature shell, but no competitive archetype has adopted it. Commander is where the math works: games go long enough to recoup the investment, blue-creature commanders flood the format, and the tap-down trigger generates incremental value over many turns that adds up to real board control.

Key Combos

Combo lines featuring this card

Price Context

Current price

$0.36 bulk tier

At $0.36, Kefnet's Monument sits firmly in bulk territory — a pickup that costs less than a sleeve. Bulk artifacts with narrow synergy profiles tend to stay flat unless a new blue-creature commander breaks out and spikes demand, so treat this as a grab-a-playset-now card rather than a spec.

Explore

Sources

Mentioned

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