+1: Exile the top three cards of your library. Creature cards exiled this way gain “You may cast this card from exile as long as you control a Lukka planeswalker.”
−2: Exile target creature you control, then reveal cards from the top of your library until you reveal a creature card with higher mana value. Put that card onto the battlefield and the rest on the bottom of your library in a random order.
−7: Each creature you control deals damage equal to its power to each opponent.
For each creature card exiled with Lukka's first ability, you can cast it as long as you control any Lukka planeswalker, not just the one that exiled the card.
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wotc
If you reveal your entire library without revealing a creature card with higher mana value, you put the library back in a random order and continue.
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wotc
You still pay any costs for spells cast from Lukka's first ability. You may pay alternative costs, such as mutate costs.
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wotc
You may cast creature cards exiled with Lukka's first ability as noncreature spells if a rule or effect allows you to do so. For example, adventurer cards from the Throne of Eldraine set may be cast as Adventures.
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wotc
In a Two-Headed Giant game, Lukka's last ability causes the opposing team to lose twice as much life as the power of your creatures.
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wotc
Once you begin to cast an exiled card, losing control of Lukka won't affect the spell. You can finish casting it as normal.
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wotc
The ability granted by Lukka's first ability doesn't change when you may cast the card.
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wotc
If a creature card in a player's library or a creature on the battlefield has {X} in its mana cost, X is considered to be 0.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.