Wurm's Tooth

Artifact    (CMC:2)

Whenever a player casts a green spell, you may gain 1 life.

A wurm knows nothing of deception. If it opens its mouth, it plans to eat you.

222 M10 • ENAlan Pollack

™ & © 1993—2009 Wizards of the Coast

Legal in: Modern,Extended,Mirrodin Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Classic,Singleton 100,Commander

Oracle Text (click to copy):

Wurm's Tooth {2} Artifact Whenever a player casts a green spell, you may gain 1 life.

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10/1/2009
The ability triggers whenever any player, not just you, casts a green spell.
10/1/2009
If a player casts a green spell, Wurm's Tooth's ability triggers and is put on the stack on top of that spell. Wurm's Tooth's ability will resolve (causing you to gain 1 life) before the spell does.

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