Oracle

Legendary Planeswalker - Lukka 

+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 converted mana cost. 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.

Tournooi-info

Legal in: Vintage, Legacy, Modern, Standard, Commander

Officiele rulings

4/17/2020
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.

4/17/2020
The ability granted by Lukka’s first ability doesn’t change when you may cast the card.

4/17/2020
You still pay any costs for spells cast from Lukka’s first ability. You may pay alternative costs, such as mutate costs.

4/17/2020
Once you begin to cast an exiled card, losing control of Lukka won’t affect the spell. You can finish casting it as normal.

4/17/2020
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.

4/17/2020
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.

4/17/2020
If you reveal your entire library without revealing a creature card with higher converted mana cost, you put the library back in a random order and continue.

4/17/2020
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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