Swarm Intelligence

Swarm Intelligence card image

Swarm Intelligence: Enchantment, Commander 2021. Whenever you cast an instant or sorcery spell, you may copy that spell. Prices and printings on Mana Grove.

Mana cost
{6}{U}
Mana value
7
Type
Enchantment
Colour identity
Blue (U)
Rarity
Rare
Set
Commander 2021 (C21)
Released
2021-04-23
Collector number
130
Artist
Daniel Ljunggren
Commander rank
4,650 (by how often it appears in Commander decks)

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About Swarm Intelligence

Swarm Intelligence is a Magic: The Gathering card, a rare blue enchantment from Commander 2021 (C21), a Commander product released in April 2021. It is collector number 130 in that set, with art by Daniel Ljunggren. It costs {6}{U} (six generic and one blue mana) to cast, for a mana value of 7. Its colour identity is blue. It is legal in Pioneer, Modern, Legacy, Vintage, Commander, Duel Commander, Oathbreaker and Penny Dreadful. It has been printed in 4 sets, from Hour of Devastation (2017) to Commander 2021 (2021). The latest aggregated market price for this printing is $0.35 (normal finish, as of 2026-11-11).

Card text

Whenever you cast an instant or sorcery spell, you may copy that spell. You may choose new targets for the copy.

The Locust God's children were numberless, relentlessly eating away every trace of the city's protection.

Market price

Latest aggregated market price for the normal finish of this printing: $0.35 (as of 2026-11-11).

The figure covers this printing only; other printings carry their own price on their own page.

Format legality

Legality of Swarm Intelligence by format. Formats in which it is not legal are not listed.

PioneerLegal
ModernLegal
LegacyLegal
VintageLegal
CommanderLegal
Duel CommanderLegal
OathbreakerLegal
Penny DreadfulLegal

Other printings of Swarm Intelligence

Swarm Intelligence has been printed in 4 sets. The other printings are listed newest first, with the rarity and release year of each.

PrintingRarityYear
Commander 2020 (C20) #124Rare2020
Hour of Devastation (HOU) #50Rare2017
Hour of Devastation Promos (PHOU) #50sRare2017

Official rulings

The 8 most recent official rulings for Swarm Intelligence, newest first.

  • If the spell has damage divided as it was cast (like Chandra’s Pyrohelix), the division can’t be changed (although the targets receiving that damage still can).
  • If the spell that’s copied has an X whose value was determined as it was cast (like Torment of Hailfire does), the copy will have the same value of X.
  • If the spell that’s copied is modal (that is, it says “Choose one -” or the like), the copy will have the same mode. A different mode can’t be chosen.
  • Swarm Intelligence can copy any instant or sorcery spell, not just one with targets.
  • Swarm Intelligence can copy the spell even if it’s countered before Swarm Intelligence’s triggered ability resolves.
  • The copy is created on the stack, so it’s not “cast.” Abilities that trigger when a player casts a spell (such as Swarm Intelligence’s own ability) won’t trigger.
  • The controller of a copy can’t choose to pay any alternative or additional costs for the copy. However, effects based on any alternative or additional costs that were paid for the original spell are copied as though those same costs were paid for the copy.
  • The copy will have the same targets as the spell it’s copying unless you choose new ones. You may change any number of the targets, including all of them or none of them. If, for one of the targets, you can’t choose a new legal target, then it remains unchanged (even if the current target is illegal).

Similar cards

Other enchantment cards with a blue colour identity, ranked by how often they appear in Commander decks.

In these precons

Swarm Intelligence is in the decklist of these preconstructed Commander decks.

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