Kasla, the Broken Halo

three generic mana one blue mana one red mana one white mana Legendary Creature — Angel AllyPower and toughness5/4

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

Flying, vigilance, haste

Whenever you cast another spell that has convoke, scry 2, then draw a card.

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0.32 $

Foil 0.45 $

21 printings · up to 0.72 $

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Kasla, the Broken Halo rulings

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.
2023-04-14
Kasla's last ability will trigger whether you tapped any creatures to pay for the spell or not, as long as it has convoke.

Kasla, the Broken Halo keyword rules

Scry Rule 701.18

To “scry N” means to look at the top N cards of your library, then put any number of them on the bottom of your library in any order and the rest on top of your library in any order.

If a player is instructed to scry 0, no scry event occurs. Abilities that trigger whenever a player scries won’t trigger.

If multiple players scry at once, each of those players looks at the top cards of their library at the same time. Those players decide in APNAP order (see rule ) where to put those cards, then those cards move at the same time.

An ability that triggers whenever a player scries triggers after the process described in rule is complete, even if some or all of those actions were impossible.

Flying Rule 702.9

Flying is an evasion ability.

A creature with flying can’t be blocked except by creatures with flying and/or reach. A creature with flying can block a creature with or without flying. (See rule , “Declare Blockers Step,” and rule , “Reach.”)

Multiple instances of flying on the same creature are redundant.

Vigilance Rule 702.20

Vigilance is a static ability that modifies the rules for the declare attackers step.

Attacking doesn’t cause creatures with vigilance to tap. (See rule , “Declare Attackers Step.”)

Multiple instances of vigilance on the same creature are redundant.

Haste Rule 702.10

Haste is a static ability.

If a creature has haste, it can attack even if it hasn’t been controlled by its controller continuously since their most recent turn began. (See rule .)

If a creature has haste, its controller can activate its activated abilities whose cost includes the tap symbol or the untap symbol even if that creature hasn’t been controlled by that player continuously since their most recent turn began. (See rule .)

Multiple instances of haste on the same creature are redundant.

Convoke Rule 702.51

Convoke is a static ability that functions while the spell with convoke is on the stack. “Convoke” means “For each colored mana in this spell’s total cost, you may tap an untapped creature of that color you control rather than pay that mana. For each generic mana in this spell’s total cost, you may tap an untapped creature you control rather than pay that mana.”

The convoke ability isn’t an additional or alternative cost and applies only after the total cost of the spell with convoke is determined.

A creature tapped to pay for mana in a spell’s total cost this way is said to have “convoked” that spell.

Multiple instances of convoke on the same spell are redundant.