Ethersworn Canonist
Artifact Creature — Human Cleric
Each player who has cast a nonartifact spell this turn can't cast additional nonartifact spells.
- CMC
- 2
- Mana cost
- Color identity
- W
- Rarity
- rare
- Set
- Shards of Alara
- Price
- $4.69
- EDHREC rank
- #2751
Ethersworn Canonist shuts down spell-chaining strategies cold — one nonartifact spell per turn per player is a hard ceiling that collapses storm, Ad Nauseam chains, and most fast-combo lines before they go off. Two mana for a 2/2 that warps the entire spell economy is the deal; the body is almost incidental.
Best Commanders
Commanders with the highest synergy
Oswald Fiddlebender
Oswald Fiddlebender's artifact-tutoring engine only ever needs one activated ability per turn, so Ethersworn Canonist's restriction is effectively one-sided — it taxes opponents while Oswald does exactly what he was doing anyway.
Winota, Joiner of Forces
Winota, Joiner of Forces attacks with creatures, not spells, so Ethersworn Canonist's lockout barely touches her gameplan while neutering the interaction-heavy decks trying to answer her mid-combat trigger.
Tayam, Luminous Enigma
Tayam, Luminous Enigma grinds through the graveyard with activated abilities rather than spell chains, meaning Ethersworn Canonist slots in as free tax that slows down everyone except the Tayam player.
Gandalf the White
Gandalf the White cares about instants and sorceries, but Ethersworn Canonist lets him play that game at a deliberately controlled pace while ensuring opponents can't respond with multiple spells in a single window.
Alibou, Ancient Witness
Alibou, Ancient Witness wants artifact creatures on the battlefield, not spells in hand, so Ethersworn Canonist fits cleanly into the artifact-creature suite while taxing any opponent trying to answer the board with a flurry of interaction.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
In Commander, Ethersworn Canonist is a staple stax piece — cheap enough to land early, artifact-typed for synergy with artifact commanders, and punishing enough to brick most combo decks that need to chain multiple noncreature spells in a turn. Legacy sees occasional sideboard play as a Storm and Ad Nauseam hoser, where the two-mana cost is acceptable when you know what you're fighting. Modern has faster and more resilient hate options, so Ethersworn Canonist sees minimal competitive play there, though it remains legal. Vintage is theoretically legal but wildly outclassed by faster disruption in a format that storms off on turn one. Oathbreaker mirrors the Commander read — an affordable, on-theme piece for artifact-leaning signatures.
Key Combos
Combo lines featuring this card
Price Context
Current price
$4.69 cheap tier
At $4.69, Ethersworn Canonist sits in the cheap tier for a card with genuine competitive relevance across multiple formats. That price reflects steady reprint pressure keeping it accessible — it's not going to spike, but it's also not going lower.
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Sources
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.