Efficient Construction
Efficient Construction: Enchantment, Commander Masters. MTG card printings, market prices, rulings, and format legality on Mana Grove.
- Mana cost
- {3}{U}
- Mana value
- 4
- Type
- Enchantment
- Colour identity
- Blue (U)
- Rarity
- Uncommon
- Set
- Commander Masters (CMM)
- Released
- 2023-08-04
- Collector number
- 88
- Artist
- Jonas De Ro
- Commander rank
- 2,629 (by how often it appears in Commander decks)
Build around this card with Grover
About Efficient Construction
Efficient Construction is a Magic: The Gathering card, an uncommon blue enchantment from Commander Masters (CMM), a Masters set released in August 2023. It is collector number 88 in that set, with art by Jonas De Ro. It costs {3}{U} (three generic and one blue mana) to cast, for a mana value of 4. Its colour identity is blue. It is legal in Pioneer, Modern, Legacy, Vintage, Commander, Duel Commander and Oathbreaker. It has been printed in 2 sets, from Aether Revolt (2017) to Commander Masters (2023). The latest aggregated market price for this printing is $0.51 (normal finish, as of 2026-11-02).
Card text
Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.
For some of Ghirapur's aerowrights, building thopters is a byproduct of larger construction efforts.
Market price
Latest aggregated market price for the normal finish of this printing: $0.51 (as of 2026-11-02).
The figure covers this printing only; other printings carry their own price on their own page.
Format legality
Legality of Efficient Construction by format. Formats in which it is not legal are not listed.
| Pioneer | Legal |
|---|---|
| Modern | Legal |
| Legacy | Legal |
| Vintage | Legal |
| Commander | Legal |
| Duel Commander | Legal |
| Oathbreaker | Legal |
Other printings of Efficient Construction
Efficient Construction has been printed in 2 sets. The other printings are listed newest first, with the rarity and release year of each.
| Printing | Rarity | Year |
|---|---|---|
| Aether Revolt (AER) #33 | Uncommon | 2017 |
Official rulings
One official ruling applies to Efficient Construction.
- Efficient Construction’s triggered ability resolves before the spell that caused it to trigger. The ability will resolve even if that spell is countered.
Similar cards
Other enchantment cards with a blue colour identity, ranked by how often they appear in Commander decks.