Contaminated Ground

Enchantment — Aura    (CMC:2)

Enchant land Enchanted land is a Swamp. Whenever enchanted land becomes tapped, its controller loses 2 life.

"The Na Plateau is lost. Do not ask what happened, and never return there."

102 ROE • ENRob Alexander

™ & © 1993—2010 Wizards of the Coast

Legal in: Modern,Extended,Return to Ravnica Block,Zendikar Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Tribal Wars Standard,Classic,Singleton 100,Commander

Oracle Text (click to copy):

Contaminated Ground {1}{B} Enchantment — Aura Enchant land Enchanted land is a Swamp. Whenever enchanted land becomes tapped, its controller loses 2 life.

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View this MTG card on Gatherer

6/15/2010
The enchanted land loses its existing land types and any abilities printed on it. It now has the land type Swamp and has the ability to tap to add  to its controller's mana pool. Contaminated Ground doesn't change the enchanted land's name or whether it's legendary, basic, or snow.
6/15/2010
Contaminated Ground's last ability triggers whenever the enchanted land becomes tapped for any reason, not just when it's tapped for mana.
6/15/2010
If, while casting a spell or activating an ability, the enchanted land's controller taps the land for mana to pay for it, Contaminated Ground's ability triggers and goes on the stack on top of that spell or ability. Contaminated Ground's ability will resolve first.
6/15/2010
On the other hand, the enchanted land's controller may tap the land for mana, let Contaminated Ground's ability trigger and go on the stack, then spend that mana to cast an instant or activate an ability in response. In that case, that instant or ability will resolve first.

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