Tectonic Edge

Land   

: Add to your mana pool. , , Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate this ability only if an opponent controls four or more lands.

"We move because the earth does."

3 FNM ★ ENEytan Zana

™ & © 1993—2012 Wizards of the Coast

Legal in: Modern,Zendikar Block,Legacy,Vintage,Commander

Oracle Text (click to copy):

Tectonic Edge Land {T}: Add {C} to your mana pool. {1}, {T}, Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate this ability only if an opponent controls four or more lands.

3/1/2010
Tectonic Edge's second ability checks how many lands an opponent controls only at the time you activate the ability.
3/1/2010
Assuming you can activate Tectonic Edge's second ability, you can target any nonbasic land with it (not just one controlled by an opponent that controls four or more lands).

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