Oracle

Sorcery 

Search your library and/or graveyard for a creature card with converted mana cost X or less and put it onto the battlefield. If you search your library this way, shuffle it. If X is 10 or more, creatures you control get +X/+X and gain haste until end of turn.

Tournooi-info

Legal in: Vintage, Legacy, Modern, Commander

Officiele rulings

5/3/2019
If a creature card in your library or graveyard has X in its mana cost, X is considered to be 0.

5/3/2019
If X is 10 or more, the creature card you just put onto the battlefield will get +X/+X and haste.

5/3/2019
No player may take action between the time you reveal which creature card you’ll put onto the battlefield and the time it gets +X/+X and haste if X is 10 or more. Any abilities that trigger as it enters the battlefield will be put onto the stack after your creatures get +X/+X and haste.

5/3/2019
If you don’t find a creature card with converted mana cost X or less, creatures you control still get +X/+X and gain haste if X is 10 or more.

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