Price$0.06 – $0.26

Covenant of Blood

Sorcery

LegalRemovalRank #25,308

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Covenant of Blood deals 4 damage to any target and you gain 4 life.

KeywordsConvoke

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Printings (2)

plstThe List · #M15-91C$0.26Buy

m15Magic 2015 · #91C$0.06Buy

Rulings (7)

2024-01-12
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.
2024-01-12
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.
2024-01-12
Tapping an untapped creature that's attacking or blocking to convoke a spell won't cause that creature to stop attacking or blocking.
2024-01-12
Tapping a multicolored creature using convoke will pay for or one mana of your choice of any of that creature's colors.
2024-01-12
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.
2024-01-12
Because convoke isn't an alternative cost, it can be used in conjunction with alternative costs.
2014-07-18
If the target permanent or player is an illegal target when Covenant of Blood tries to resolve, it won't resolve and none of its effects will happen. You won't gain any life. (Any creatures you tapped to cast Covenant of Blood remain tapped.)

Discussion (0)

Rulings (7)

2024-01-12

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.

2024-01-12

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.

2024-01-12

Tapping an untapped creature that's attacking or blocking to convoke a spell won't cause that creature to stop attacking or blocking.

2024-01-12

Tapping a multicolored creature using convoke will pay for {1} or one mana of your choice of any of that creature's colors.

2024-01-12

If a creature you control has a mana ability with {T} 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.

2024-01-12

Because convoke isn't an alternative cost, it can be used in conjunction with alternative costs.

2014-07-18

If the target permanent or player is an illegal target when Covenant of Blood tries to resolve, it won't resolve and none of its effects will happen. You won't gain any life. (Any creatures you tapped to cast Covenant of Blood remain tapped.)