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Commander Liara Portyr
Legendary Creature — Human Soldier
uncommon
Whenever you attack, spells you cast from exile this turn cost less to cast, where X is the number of players being attacked. Exile the top X cards of your library. Until end of turn, you may cast spells from among those exiled cards.
5/3
Semantic Tags
Benefits from attacking — attack triggers, combat damage triggers, exalted.
A permanent or effect that makes spells or abilities cheaper to cast or activate.
Exile-based card advantage — exile cards from the top of your library and cast them temporarily. Red's primary draw mechanic.
A card or token on the battlefield. See rule 110, “Permanents.”
Storm count strategies — casting many spells in a single turn for storm triggers.
Format Legality
Price history
Printings (4)
| Set | Rarity | TCGplayer | Card Kingdom | Cardmarket |
|---|---|---|---|---|
| The List#CLB-270 | uncommon | · | · | · |
| Commander Legends: Battle for Baldur's Gate#529 | uncommon | · | · | · |
| Commander Legends: Battle for Baldur's Gate#270 | uncommon | · | · | · |
| Commander Legends: Battle for Baldur's Gate#418 | uncommon | · | · | · |
Related Rules
If an ability would produce one or more mana of an undefined type, it produces no mana instead.
Some abilities produce mana based on the type of mana another permanent or permanents “could produce.” The type of mana a permanent could produce at any time includes any type of mana that an ability of that permanent would produce if the ability were to resolve at that time, taking into account any applicable replacement effects in any possible order. Ignore whether any costs of the ability could or could not be paid. If that permanent wouldn’t produce any mana under these conditions, or no type of mana can be defined this way, there’s no type of mana it could produce.
To “tap [a permanent] for mana” is to activate a mana ability of that permanent that includes the {T} symbol in its activation cost. See rule 605, “Mana Abilities.”
An ability that triggers whenever a permanent “is tapped for mana” or is tapped for mana of a specified type triggers whenever such a mana ability resolves and produces mana or the specified type of mana.
A replacement effect that applies if a permanent “is tapped for mana” or tapped for mana of a specific type and/or amount modifies the mana production event while such an ability is resolving and producing mana or the specified type and/or amount of mana.
If an object’s enters-the-battlefield triggered ability or replacement effect refers to X, and the spell that became that object as it resolved had a value of X chosen for any of its costs, the value of X for that ability is the same as the value of X for that spell, although the value of X for that permanent is 0. This is an exception to rule 107.3i.
The tap symbol is {T}. The tap symbol in an activation cost means “Tap this permanent.” A permanent that’s already tapped can’t be tapped again to pay the cost. A creature’s activated ability with the tap symbol in its activation cost can’t be activated unless the creature has been under its controller’s control continuously since their most recent turn began. See rule 302.6.
The untap symbol is {Q}. The untap symbol in an activation cost means “Untap this permanent.” A permanent that’s already untapped can’t be untapped again to pay the cost. A creature’s activated ability with the untap symbol in its activation cost can’t be activated unless the creature has been under its controller’s control continuously since their most recent turn began. See rule 302.6.
Rulings
If you attack a planeswalker but don't also attack that planeswalker's controller, that player won't count toward the value of X.
Commander Liara Portyr's triggered ability reduces the cost of all spells you cast from exile, even if you are casting them with a different permission. For example, if you are casting an exiled permanent spell with an Adventure in the same turn that this triggered ability resolved, it would cost {X} less to cast.
Commander Liara Portyr doesn't have to be among the attacking creatures.