The Swarmweaver
Legendary Artifact Creature — Scarecrow
When The Swarmweaver enters, create two 1/1 black and green Insect creature tokens with flying.
Delirium — As long as there are four or more card types among cards in your graveyard, Insects and Spiders you control get +1/+1 and have deathtouch.
- CMC
- 4
- Mana cost
- Color identity
- BG
- Rarity
- rare
- Set
- Duskmourn: House of Horror
- Price
- $0.26
- EDHREC rank
- #6243
The Swarmweaver floods the board with Insects every time a creature enters or dies under your control, which in the right shell is an immediate, exponential threat. The cost is a five-mana body that does nothing on its own — you need the engine already running, and that dependency is real. Pair it with Nim Deathmantle or slot it into Aatchik, Emerald Radian and the payoff justifies the ask; outside those shells, it's a slow card.
Best Commanders
Commanders with the highest synergy

Aatchik, Emerald Radian
Aatchik, Emerald Radian's triggered ability rewards you for going wide with Insects, and The Swarmweaver is one of the fastest ways to generate that mass — the two cards are a self-reinforcing loop that can fill the board in a single turn cycle.

Zask, Skittering Swarmlord
Zask, Skittering Swarmlord cares about Insects dying and lets you cast Insects from the graveyard, so The Swarmweaver's constant token production feeds both triggers simultaneously and keeps the chain going.

Xira, the Golden Sting
Xira, the Golden Sting puts Poison counters on opponents whenever Insects deal damage, and The Swarmweaver supplies a relentless stream of attackers to make that clock credible.

Grist, the Hunger Tide
Grist, the Hunger Tide mills and reanimates Insects while generating its own tokens, and The Swarmweaver amplifies every creature event on the battlefield into more fodder for Grist's sacrifice and damage abilities.
Grist, Voracious Larva
Grist, Voracious Larva scales on the number of Insects you control, so The Swarmweaver's token generation directly inflates Grist's power and the pressure it applies each combat.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | legal |
| standard | legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Commander is where The Swarmweaver belongs — the long game, the creature-dense Insect tribal tables, and the abundance of sacrifice and recursion loops all let it do exactly what it's designed to do. In sixty-card formats like Modern and Pioneer it's too slow and too parasitic: five mana for a card that needs a supporting cast is a liability when the game ends on turn four. Legacy and Vintage have the raw power to make the triggers absurd, but neither format wants a five-mana enchantment with no immediate board impact when cheaper engines exist. Standard is the one competitive context worth watching — if an Insect-centric set is in the pool, The Swarmweaver can function as a finisher in a dedicated shell.
Key Combos
Combo lines featuring this card



Nim DeathmantleAshnod's AltarThe Swarmweaver
Infinite LTB; Infinite colorless mana; Infinite creature tokens; Infinite death triggers; Infinite sacrifice triggers; Infinite ETB
View on Commander Spellbook ↗Price Context
Current price
$0.26 bulk tier
At $0.26, The Swarmweaver is bulk — easy to pick up as a four-of or a set of Commander copies without budget concern. It's a mythic-feeling effect at a common price point, and that gap usually corrects upward if the card finds a competitive home, but for now you're buying a powerful synergy piece for almost nothing.
Explore
Sources
Mentioned
- Nim Deathmantle
- Aatchik, Emerald Radian
- Zask, Skittering Swarmlord
- Xira, the Golden Sting
- Grist, the Hunger Tide
- Grist, Voracious Larva
- Ashnod's Altar
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.