Tectonic Edge

#44

Land

: Add . , , Sacrifice this land: Destroy target nonbasic land. Activate only if an opponent controls four or more lands.

"We move because the earth does." —Bruse Tarl, Goma Fada nomad

Legalities

standardpioneermodernlegacyvintagepaupercommanderbrawl

Rulings (2)

2010-03-01 Tectonic Edge’s second ability checks how many lands an opponent controls only at the time you activate the ability.
2010-03-01 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).