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Rules guide · Enchantment Creature

Sanctum WeaverHow it works & interactions with other cards

By the ManaCount desk· 3 min read· Commander Masters· August 4, 2023
Carte Magic Sanctum Weaver

Sanctum Weaver is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

01

Official card text

{T}: Add X mana of any one color, where X is the number of enchantments you control.

Complete guide

Sanctum Weaver is a powerful mana engine that scales with the size of your board, making it a staple for enchantment-heavy decks. This Dryad provides explosive mana potential, allowing you to cast high-cost spells much earlier than your opponents expect.

A Growing Source of Power

Unlike traditional mana dorks that provide a fixed amount of mana, Sanctum Weaver checks the number of enchantments you control to determine the amount produced. Since Sanctum Weaver itself is an Enchantment Creature, its ability will always produce at least one mana as long as it remains on the battlefield when the ability resolves.

Speed and Timing

The activated ability of Sanctum Weaver is a mana ability, which means it does not use the stack and cannot be responded to. When you tap it for mana, the game immediately checks the number of enchantments you control and adds that much mana of your chosen color to your mana pool. Your opponents cannot destroy another enchantment in response to lower the mana count once you have initiated the activation.

Strategic Considerations

To maximize this card's utility, you should aim to play other enchantments early. Because it requires tapping, it is affected by summoning sickness, so you typically cannot use it the same turn it enters the battlefield unless you have a way to grant it haste. Remember that it produces mana of only one color per activation, even if you control many enchantments.

Interaction examples

Baseline Production

If you control Sanctum Weaver and no other enchantments, tapping it will add one mana of any color to your mana pool because Sanctum Weaver counts itself.

Early Game Acceleration

On turn one, you play Llanowar Elves. On turn two, you use Llanowar Elves to help cast Sanctum Weaver. By turn three, Sanctum Weaver is no longer summoning sick and can tap for at least one mana, providing a total of three mana available between your lands and creatures.

Fixing Your Colors

While Birds of Paradise is excellent for early color fixing, Sanctum Weaver scales better. If you have three other enchantments in play, Sanctum Weaver can tap for four mana of any one color, whereas Birds of Paradise will always only provide a single mana.

Guide written with AI from the official text and rulings. Official English text prevails.

How it works : Sanctum Weaver

Original English text — Wizards of the Coast / Scryfall

  1. #1· Wizards of the Coast

    Sanctum Weaver's ability is a mana ability and does not use the stack. This means that no player can respond to the ability by taking an action that would reduce the number of enchantments you have.

    No other card is named in this ruling.

02

Popular combos

Real combos played by the community, sorted by popularity.

Sanctum Weaver
+Freed from the Real
#1

Sanctum Weaver + Freed from the Real

Infinite colored mana
  1. 1Activate Sanctum Weaver by tapping it, adding {U}{U}.
  2. 2Activate Freed from the Real's second ability by paying {U}, untapping Sanctum Weaver.
  3. 3Repeat for infinite blue mana.
  4. 4Once you have infinite blue mana, you may activate Sanctum Weaver an infinitely large number of times, adding infinite colored mana.
Sanctum Weaver
+Pemmin's Aura
#2

Sanctum Weaver + Pemmin's Aura

Infinite colored mana
  1. 1Activate Sanctum Weaver by tapping it, adding {U}{U}.
  2. 2Activate Pemmin's Aura's first ability by paying {U}, untapping Sanctum Weaver.
  3. 3Repeat for infinite blue mana.
  4. 4Once you have infinite blue mana, you may activate Sanctum Weaver an infinitely large number of times, adding infinite colored mana.
Sanctum Weaver
+Aggravated Assault
#3

Sanctum Weaver + Aggravated Assault

Infinite colored manaInfinite combat phasesInfinite untap of creatures you controlInfinite mana creatures you control can produce
  1. 1Activate Sanctum Weaver by tapping it, adding at least {R}{R}{R}{R}{R}.
  2. 2Activate Aggravated Assault by paying {3}{R}{R}, untapping all creatures you control and causing you to get an additional combat and main phase after this one.
  3. 3Repeat.
  4. 4If you control six or more enchantments and/or control another creature that can tap to produce mana, this combo nets infinite mana.
Staff of Domination
+Sanctum Weaver
#4

Staff of Domination + Sanctum Weaver

Infinite card drawInfinite colored manaInfinite draw triggersInfinite lifegain
  1. 1Activate Sanctum Weaver by tapping it, adding at least five mana of any color.
  2. 2Activate Staff of Domination's third ability by paying {3} and tapping it, untapping Sanctum Weaver.
  3. 3Activate Staff of Domination's first ability by paying {1}, untapping it.
  4. 4Repeat.
Sanctum Weaver
+Gauntlets of Light
#5

Sanctum Weaver + Gauntlets of Light

Infinite colored mana
  1. 1Activate Sanctum Weaver by tapping it, adding at least {W}{W}{W}{W}.
  2. 2Activate Sanctum Weaver by paying {2}{W}, untapping it.
  3. 3Repeat.
Meticulous Excavation
+Sanctum Weaver
#6

Meticulous Excavation + Sanctum Weaver

Infinite creature LTBInfinite creature ETBInfinite colored manaInfinite storm count
  1. 1Activate Sanctum Weaver by tapping it, adding at least {G}{G}{G}{G}{G} or {W}{W}{W}{W}{W}.
  2. 2Activate Meticulous Excavation by paying {2}{W}, returning Sanctum Weaver from the battlefield to your hand.
  3. 3Cast Sanctum Weaver by paying its mana cost.
  4. 4Repeat.
Sanctum Weaver
+Seedcradle Witch
#7

Sanctum Weaver + Seedcradle Witch

Infinitely large creatures you control until end of turnInfinite colored manaInfinitely large creature until end of turnInfinite untap of creatures you control
  1. 1Activate Sanctum Weaver by tapping it, adding at least {G}{G}{G}{G}{G} or {W}{W}{W}{W}{W}.
  2. 2Activate Seedcradle Witch by paying {2}{W}{G}, untapping Sanctum Weaver and giving it +3/+3 until end of turn.
  3. 3Repeat.
Umbral Mantle
+Sanctum Weaver
#8

Umbral Mantle + Sanctum Weaver

Infinite colored manaInfinitely large creature until end of turnInfinite untap of creatures you controlInfinite mana creatures you control can produce
  1. 1Activate Sanctum Weaver by tapping it, adding at least three mana of any color.
  2. 2Activate Sanctum Weaver by paying {3} and untapping it, giving it +2/+2 until end of turn.
  3. 3Repeat.
03

Legal formats

historictimelessgladiatormodernlegacyvintagepennycommanderoathbreakerbrawlcompetitivebrawldueltlr
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