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Mystic Decree

Card Name

Mystic Decree

Mana Cost

2

Type

World Enchantment

Rarity

Uncommon

rules Text

All creatures lose flying and islandwalk.

Flavor Text

"Curse Reveka, and curse her coddled conjurers. Their sorcerers' school shall yet be ours." —Irini Sengir

Legal Formats

Commander, Legacy, Vintage

Not Legal Formats

Alchemy, Brawl, Explorer, Historic, Modern, Pauper, Pioneer, Standard

Rulings

(10/1/2008)
This has the supertype world. When a world permanent enters, any world permanents that were already on the battlefield are put into their owners' graveyards. This is a state-based action called the "world rule." The new world permanent stays on the battlefield. If two world permanents enter at the same time, they're both put into their owners' graveyards.