砦の発明者
クリーチャー — ヴィダルケン・工匠
即席（あなたのアーティファクトが、この呪文を唱える助けとなる。あなたはあなたのアーティファクトをタップして、１個あたりの支払いに代えてもよい。）
呪禁（このクリーチャーは、対戦相手がコントロールする呪文や能力の対象にならない。）
呪禁（このクリーチャーは、対戦相手がコントロールする呪文や能力の対象にならない。）
4/4
standard
future
historic
gladiator
pioneer
explorer
modern
legacy
pauper
vintage
penny
commander
brawl
historicbrawl
alchemy
paupercommander
duel
oldschool
premodern
Rulings
Improvise can’t be used to pay for anything other than the cost of casting the spell. For example, it can’t be used during the resolution of an ability that says “Counter target spell unless its controller pays .”
Equipment attached to a creature doesn’t become tapped when that creature becomes tapped, and tapping that Equipment doesn’t cause the creature to become tapped.
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. Improvise applies after the total cost is calculated.
Tapping an artifact won’t cause its abilities to stop applying unless those abilities say so.
Improvise can’t pay for , , , , , or mana symbols in a spell’s total cost.
If an artifact you control has a mana ability with in the cost, activating that ability while casting a spell with improvise will result in the artifact being tapped when you pay the spell’s costs. You won’t be able to tap it again for improvise. Similarly, if you sacrifice an artifact to activate a mana ability while casting a spell with improvise, that artifact won’t be on the battlefield when you pay the spell’s costs, so you won’t be able to tap it for improvise.
Because improvise isn’t an alternative cost, it can be used in conjunction with alternative costs.
Improvise doesn’t change a spell’s mana cost or mana value.
Equipment attached to a creature doesn’t become tapped when that creature becomes tapped, and tapping that Equipment doesn’t cause the creature to become tapped.
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. Improvise applies after the total cost is calculated.
Tapping an artifact won’t cause its abilities to stop applying unless those abilities say so.
Improvise can’t pay for , , , , , or mana symbols in a spell’s total cost.
If an artifact you control has a mana ability with in the cost, activating that ability while casting a spell with improvise will result in the artifact being tapped when you pay the spell’s costs. You won’t be able to tap it again for improvise. Similarly, if you sacrifice an artifact to activate a mana ability while casting a spell with improvise, that artifact won’t be on the battlefield when you pay the spell’s costs, so you won’t be able to tap it for improvise.
Because improvise isn’t an alternative cost, it can be used in conjunction with alternative costs.
Improvise doesn’t change a spell’s mana cost or mana value.
Rulings
Improvise can’t be used to pay for anything other than the cost of casting the spell. For example, it can’t be used during the resolution of an ability that says “Counter target spell unless its controller pays .”
Equipment attached to a creature doesn’t become tapped when that creature becomes tapped, and tapping that Equipment doesn’t cause the creature to become tapped.
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. Improvise applies after the total cost is calculated.
Tapping an artifact won’t cause its abilities to stop applying unless those abilities say so.
Improvise can’t pay for , , , , , or mana symbols in a spell’s total cost.
If an artifact you control has a mana ability with in the cost, activating that ability while casting a spell with improvise will result in the artifact being tapped when you pay the spell’s costs. You won’t be able to tap it again for improvise. Similarly, if you sacrifice an artifact to activate a mana ability while casting a spell with improvise, that artifact won’t be on the battlefield when you pay the spell’s costs, so you won’t be able to tap it for improvise.
Because improvise isn’t an alternative cost, it can be used in conjunction with alternative costs.
Improvise doesn’t change a spell’s mana cost or mana value.
Equipment attached to a creature doesn’t become tapped when that creature becomes tapped, and tapping that Equipment doesn’t cause the creature to become tapped.
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. Improvise applies after the total cost is calculated.
Tapping an artifact won’t cause its abilities to stop applying unless those abilities say so.
Improvise can’t pay for , , , , , or mana symbols in a spell’s total cost.
If an artifact you control has a mana ability with in the cost, activating that ability while casting a spell with improvise will result in the artifact being tapped when you pay the spell’s costs. You won’t be able to tap it again for improvise. Similarly, if you sacrifice an artifact to activate a mana ability while casting a spell with improvise, that artifact won’t be on the battlefield when you pay the spell’s costs, so you won’t be able to tap it for improvise.
Because improvise isn’t an alternative cost, it can be used in conjunction with alternative costs.
Improvise doesn’t change a spell’s mana cost or mana value.
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