Mirri, Weatherlight Duelist
Legendary Creature — Cat Warrior
First strike
Whenever Mirri attacks, each opponent can't block with more than one creature this combat.
As long as Mirri is tapped, no more than one creature can attack you each combat.
- CMC
- 3
- Mana cost
- Color identity
- GW
- Rarity
- rare
- Set
- Commander Masters
- Price
- —
- EDHREC rank
- #2657
Mirri, Weatherlight Duelist locks opponents to one blocker and one attacker per turn while she's attacking — that's a one-card soft lock stapled to a 3/3 first striker for three mana. In any Cat-tribal or wide-attack shell, especially Arahbo, Roar of the World, she earns her slot on impact alone.
Best Commanders
Commanders with the highest synergy
Arahbo, Roar of the World
Arahbo, Roar of the World pumps a Cat for free each combat, and Mirri, Weatherlight Duelist is the Cat you want swinging first — her attack trigger blankets the table before Arahbo's buffs even resolve, letting your other Cats walk in nearly unopposed.
Rin and Seri, Inseparable
Rin and Seri, Inseparable generates tokens on both Cat and Dog spells, and Mirri, Weatherlight Duelist turns that wide board into a one-sided combat by capping each opponent's blockers at one while the rest of your tokens crash through.
Marisi, Breaker of the Coil
Marisi, Breaker of the Coil wants opponents swinging at each other, not holding up blockers against you — Mirri, Weatherlight Duelist's attack restriction stacks with Marisi's goad effects to leave opponents' boards functionally paralyzed on defense.
Kutzil, Malamet Exemplar
Kutzil, Malamet Exemplar silences opponent responses during your attacks, and Mirri, Weatherlight Duelist's one-blocker cap means those uncounterable combat triggers resolve into an almost unimpeded alpha strike.
Sovereign Okinec Ahau
Sovereign Okinec Ahau scales up your attacking creatures with counters, and Mirri, Weatherlight Duelist ensures only one of those increasingly large threats ever gets blocked — the rest of the countered board connects clean.
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 |
Commander is where Mirri, Weatherlight Duelist is built to live — the multiplayer table is exactly the context where limiting each opponent to one blocker and one attacker per turn snowballs into a dominant board state. In Legacy and Vintage she's technically legal but never played; a 3/3 for three with a combat-restriction ability doesn't compete in formats that end the game on turns one and two. Oathbreaker follows the same logic as Commander for practical purposes, where her attack-lock is legitimately powerful in a pod setting. Outside those multiplayer environments, Mirri, Weatherlight Duelist simply doesn't have a home.
Key Combos
Combo lines featuring this card
Price Context
Current price
unknown tier
Current pricing data isn't available for Mirri, Weatherlight Duelist, so check Scryfall or TCGPlayer for a live number. She's a Commander-specific staple in Cat-tribal decks with no competitive crossover, which typically keeps her ceiling modest — she's worth picking up for any deck that wants her rather than holding out for a dip.
Explore
Sources
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.