Oracle

Legendary Planeswalker - Yanling 

+2: Until your next turn, up to one target creature gets -2/-0 and loses flying.
-3: Create a 4/4 blue Elemental Bird creature token with flying.
-8: You get an emblem with "Islands you control have ‘T: Draw a card.'"

Tournooi-info

Legal in: Vintage, Legacy, Modern, Commander

Officiele rulings

7/12/2019
Mu Yanling’s first ability can target a creature that doesn’t have flying. The creature just gets -2/-0.

7/12/2019
After Mu Yanling’s first ability has resolved, the target creature will have flying again if another effect grants it flying.

7/12/2019
An Island is a land with the subtype Island, not any land with a mana ability that produces blue mana.

7/12/2019
Tapping an Island for mana is an activated ability. You can’t activate that ability and also activate the ability it gains from Mu Yanling’s emblem.

7/12/2019
In a multiplayer game, if you leave the game after Mu Yanling’s first ability resolves but before your next turn begins, its effect lasts until your next turn would have begun. It neither expires immediately nor lasts indefinitely.

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