Is Defile good in Commander?

Defile in Commander — Combos, Decks & Price

Defile scales with how many Swamps you control, turning a one-mana instant into a board-clearing -X/-X that only gets more punishing as the game goes long. In any black deck with enough basics, it punches far above its mana cost — and in Toshiro Umezawa, where killing creatures with instants is the whole engine, it does double duty.

Best Commanders

Commanders with the highest synergy

01

Toshiro Umezawa

80.6% of decks · synergy 0.44

Toshiro Umezawa triggers off every creature Defile kills, flashing back other instants from the graveyard — so a single Defile clearing three tokens can chain into a full turn of free spells. It shows up in over 80% of Toshiro lists for exactly that reason.

02

Massacre Girl, Known Killer

77.8% of decks · synergy 0.42

Massacre Girl, Known Killer wants a critical mass of -1/-1 effects to trigger her withering cascade, and Defile's scalable minus can wipe a whole board at once, setting the whole chain in motion. The two cards are doing the same work from different angles.

03

Zenos yae Galvus

67.0% of decks · synergy 0.31

Zenos yae Galvus rewards stacking damage and toughness reductions, and Defile's late-game scaling fits that suite naturally. With enough Swamps in play, a single Defile can clear everything below a threshold and push Zenos closer to his payoff conditions.

04

Imotekh the Stormlord

62.5% of decks · synergy 0.26

Imotekh the Stormlord generates a steady stream of 2/2 Necron Warrior tokens, and Defile sweeps opposing small creatures while leaving his own board intact when the numbers line up right. That selective pressure is exactly what token-based Swamp-heavy strategies need from a one-mana spell.

05

Karazikar, the Eye Tyrant

25.6% of decks · synergy 0.25

Karazikar, the Eye Tyrant goads opponents into attacking each other, but creatures that refuse to swing still need an answer — Defile cleans up the stragglers cheaply and scales as the game extends. The combination of goad-based attrition and a mana-efficient sweeper gives the deck a reliable safety valve.

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	legal
oathbreaker	legal

Commander is where Defile earns its reputation: Swamp counts routinely hit 20-plus in mono-black builds, turning this into a three- or four-mana sweeper on a one-mana card. In Pauper, Defile is a genuine role-player — common-legal mass removal at one mana is rare, and black-heavy Swamp bases make the scaling real even in that singleton-light environment. Legacy and Vintage have access to it, but fast formats that end on turn one or two don't give Defile time to scale, so it sees essentially no competitive play there. Defile is not legal in Pioneer or Standard, which is the only format gap worth noting for a card this broadly playable.

Key Combos

Combo lines featuring this card

Price Context

Current price

unknown tier

Pricing data isn't available for Defile at the moment, so check Scryfall or TCGPlayer for the current market rate. Given its high inclusion rate across multiple popular commanders and its Pauper legality, it tends to be an easy pickup — demand is steady but the card has seen multiple printings.