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Kari Zev's Expertise
Sorcery
rare
Gain control of target creature or Vehicle until end of turn. Untap it. It gains haste until end of turn. You may cast a spell with mana value 2 or less from your hand without paying its mana cost.
Semantic Tags
Attacks quickly and deals damage efficiently. Includes haste, double strike, first strike, prowess, and cards that grant these.
A keyword ability that lets you tap creatures to turn a Vehicle into an artifact creature. See rule 301, “Artifacts,” and rule 702.122, “Crew.”
Format Legality
Price history
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Printings (3)
| Set | Rarity | TCGplayer | Card Kingdom | Cardmarket |
|---|---|---|---|---|
| Kaladesh Remastered#134 | rare | · | · | · |
| Aether Revolt#88 | rare | · | · | · |
| Aether Revolt Promos#88s | rare | · | · | · |
Related Rules
If an effect would be created that sets the base power and/or toughness of a noncreature permanent, or otherwise modifies its power and/or toughness, that effect is created even though it doesn’t do anything unless that permanent becomes a creature.
Some artifacts have the subtype “Vehicle.” Most Vehicles have a crew ability which allows them to become artifact creatures. See rule 702.122, “Crew.”
Crew
Crew is an activated ability of Vehicle cards. “Crew N” means “Tap any number of other untapped creatures you control with total power N or greater: This permanent becomes an artifact creature until end of turn.”
A creature “crews a Vehicle” when it’s tapped to pay the cost to activate a Vehicle’s crew ability.
If an effect states that a creature “can’t crew Vehicles,” that creature can’t be tapped to pay the crew cost of a Vehicle.
Some Vehicles have abilities that trigger when they become crewed. “Whenever [this Vehicle] becomes crewed” means “Whenever a crew ability of [this Vehicle] resolves.” If that ability has an intervening “if” clause that refers to information about the creatures that crewed it, it means only creatures that were tapped to pay the cost of the crew ability that caused it to trigger.
Rulings
Kari Zev's Expertise can target any creature or Vehicle, even one that you already control or that is already untapped.
If the Expertise spell you cast has any targets, and those targets become illegal before the spell resolves, the spell doesn't resolve and none of its effects happen. You won't get to cast a free spell.
Effects that allow you to "cast" a card don't allow you to play a land card.
While you're casting your free spell, the Expertise spell is still on the stack. It will be put into its owner's graveyard after the free spell is cast. The free spell can't target the Expertise card in your graveyard. It can target the Expertise spell on the stack, but the Expertise spell will become an illegal target before the free spell resolves.
If the card has {X} in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
If you cast a card "without paying its mana cost," you can't choose to cast it for any alternative costs, such as emerge costs. You can, however, pay additional costs. If the card has any mandatory additional costs, such as that of Cathartic Reunion, you must pay those to cast the card.
Any triggered abilities that trigger while performing the Expertise spell's first effect won't be put onto the stack until after you're done casting your free spell. They're put onto the stack at the same time as any abilities that triggered while casting that spell regardless of the order in which those abilities triggered.
A card's mana value is determined solely by the mana symbols printed in its upper right corner. The mana value is the total amount of mana in that cost, regardless of color. For example, a card with mana cost {1}{U}{U} has mana value 3. Ignore any alternative costs, additional costs, cost increases, or cost reductions that could apply to it. A card with no mana cost has a mana value of 0.
The mana value of a split card is determined by the combined mana cost of its two halves. If an expertise spell allows you to cast a split card, you may cast either half or, if that split card has fuse, both halves.