Elsewhere Flask

#15

Artifact

When this artifact enters, draw a card. Sacrifice this artifact: Choose a basic land type. Each land you control becomes that type until end of turn.

One night Oona bottled the sky. The next night she aligned the stars and released it.

Legalities

standardpioneermodernlegacyvintagepaupercommanderbrawl

Rulings (3)

2008-05-01 Lands you control will have the mana ability of the basic land type you choose (for example, Forests can tap to produce green mana) and will lose all other innate abilities they had.
2008-05-01 Changing a land's type doesn't change its name or whether it's legendary or basic.
2008-05-01 All your lands will have the chosen land type and no other land type.