Unstable Frontier

Land   

: Add to your mana pool. : Target land you control becomes the basic land type of your choice until end of turn.

The goblins went to sleep in Jund and awoke in Grixis. They'd never seen a zombie before. They would never see one again.

145 CON • ENJohn Avon

™ & © 1993—2009 Wizards of the Coast

Legal in: Modern,Shards of Alara Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Singleton 100,Commander

Oracle Text (click to copy):

Unstable Frontier Land {T}: Add {C} to your mana pool. {T}: Target land you control becomes the basic land type of your choice until end of turn.

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View this MTG card on Gatherer

2/1/2009
You choose a basic land type as the ability resolves.
2/1/2009
The affected land loses its existing land types and any abilities printed on it. It becomes the chosen basic land type and now has the ability to tap to add one mana of the appropriate color to your mana pool. Unstable Frontier's ability doesn't change the affected land's name or whether it's legendary or basic.

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Card Unstable Frontier is not on TCGPlayer.