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Disallow (31)

AER · Aether Revolt · rare

Mana cost
Mana value	3.0
Type	Instant
Rarity	rare
Colors	U
EDHREC rank	1823

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

"How easily your flames are quenched." —Baral, Chief of Compliance

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Printings

Aether Revolt $1.87 Aether Revolt Promos $7.24 Aether Revolt Promos — Kaladesh Remastered — Aetherdrift Commander $0.39

Price history

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Legality

Rulings

• 2017-02-09: Activated abilities are written in the form "Cost: Effect." Some keyword abilities, such as equip and crew, are activated abilities and will have colons in their reminder texts.
• 2017-02-09: If you counter a delayed triggered ability that triggers at the beginning of the "next" occurrence of a specified step or phase, that ability won't trigger again the following time that phase or step occurs.
• 2017-02-09: An activated mana ability is one that could add mana as it resolves, doesn't have a target, and isn't a loyalty ability. A triggered mana ability is one that could add mana and triggers on an activated mana ability.
• 2017-02-09: Abilities that create replacement effects, such as a permanent entering the battlefield tapped or with counters on it, can't be targeted. Abilities that apply "as [this creature] enters the battlefield" are also replacement effects and can't be targeted.
• 2017-02-09: Triggered abilities use the word "when," "whenever," or "at." They're often written as "[Trigger condition], [effect]." Some keyword abilities, such as prowess and fabricate, are triggered abilities and will have "when," "whenever," or "at" in their reminder text.
• 2018-01-19: There are many important moments in the story, but the most crucial—called "story spotlights"—are shown on cards. These cards have the Planeswalker symbol in their text box; this symbol has no effect on gameplay. You can read more about these events in the official Magic fiction at http://www.mtgstory.com.

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