Ledev Guardian 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.
Official card text
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays foror one mana of that creature's color.)
Complete guide
Ledev Guardian is a reliable Human Knight from Selesnya that showcases the power of community. By utilizing the Convoke keyword, this creature allows your army to serve as a resource, bringing a sturdy defender to the battlefield without necessarily spending all your lands. It is a perfect inclusion for decks that like to go wide and maintain board presence.
What Convoke Does
Convoke is a static ability that provides an alternative way to pay for a spell. For each creature you tap while casting Ledev Guardian, you reduce the cost by {1} or by one mana of that creature's color. Since Ledev Guardian costs {3}{W}, you can tap up to four creatures to cover the entire cost, provided at least one of them is white to satisfy the colored mana requirement.
How to Cast It Step by Step
First, you announce you are casting Ledev Guardian and move it to the stack. Second, you determine the total cost, which is {3}{W} unless other effects modify it. Third, you have the chance to activate mana abilities. Finally, you pay the cost by tapping any combination of lands and untapped creatures you control. Note that you can tap creatures even if they have 'summoning sickness' because Convoke does not use the tap symbol in the creature's own ability.
Common Mistakes to Avoid
A common error is trying to tap the same creature for both a mana ability and Convoke. If you sacrifice a creature to generate mana, it is no longer on the battlefield to be tapped for Convoke. Additionally, tapping a creature for Convoke does not remove it from combat; if you somehow cast this during the declare blockers step, a creature already assigned to block remains a blocker even if it becomes tapped.
When to Play It
Ledev Guardian is best deployed when you have a board full of utility creatures that don't need to attack. By using Convoke, you can keep your lands untapped for reactive spells or combat tricks during your opponent's turn. It serves as an excellent mid-game stabilizer that rewards you for having a high creature count.
Interaction examples
If you have Solemn Simulacrum on the battlefield, you can tap it to pay for {1} of the Ledev Guardian cost. This allows you to save your lands for other spells, effectively using the Golem as a mana rock to help the Knight enter the battlefield.
Roaming Throne is a colorless artifact creature. While it can be tapped for Convoke, it can only pay for {1} of the cost. It cannot be used to pay for the {W} requirement of Ledev Guardian because Roaming Throne has no color, regardless of what creature type you chose for it.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Ledev Guardian
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
You can tap any untapped creature you control to convoke a spell, even one you haven't controlled continuously since the beginning of your most recent turn.
No other card is named in this ruling.
- #2· Wizards of the Coast
Tapping an untapped creature that's attacking or blocking to convoke a spell won't cause that creature to stop attacking or blocking.
No other card is named in this ruling.
- #3· Wizards of the Coast
When calculating a spell's total cost, include any alternative costs, additional costs, or anything else that increases or reduces the cost to cast the spell. Convoke applies after the total cost is calculated. Convoke doesn't change a spell's mana cost or mana value.
No other card is named in this ruling.
- #4· Wizards of the Coast
If a creature you control has a mana ability with
in the cost, activating that ability while casting a spell with convoke will result in the creature being tapped before you pay the spell's costs. You won't be able to tap it again for convoke. Similarly, if you sacrifice a creature to activate a mana ability while casting a spell with convoke, that creature won't be on the battlefield when you pay the spell's costs, so you won't be able to tap it for convoke.
No other card is named in this ruling.
- #5· Wizards of the Coast
Because convoke isn't an alternative cost, it can be used in conjunction with alternative costs.
No other card is named in this ruling.
- #6· Wizards of the Coast
Tapping a multicolored creature using convoke will pay for
or one mana of your choice of any of that creature's colors.
No other card is named in this ruling.
Legal formats
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Meta decks with Ledev Guardian
No archived Top 8 deck with this card yet.



Solemn Simulacrum
Roaming Throne