Oracle

Legendary Planeswalker - Vraska 

+2: You may sacrifice another permanent. If you do, you gain 1 life and draw a card.
-3: Destroy target nonland permanent with converted mana cost 3 or less.
-9: You get an emblem with "Whenever a creature you control deals combat damage to a player, that player loses the game."

Tournooi-info

Legal in: Vintage, Legacy, Modern, Commander

Officiele rulings

10/5/2018
You choose whether to sacrifice a permanent (and which one to sacrifice) while Vraska’s first ability is resolving. No player may take actions between the time you choose which permanent to sacrifice and the time you do so.

10/5/2018
Tokens that aren’t a copy of something else don’t have a mana cost. Anything without a mana cost normally has a converted mana cost of 0.

10/5/2018
If a permanent has X in its mana cost, X is considered to be 0.

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