Wurm's Tooth 
Artifact
"The great wurm bit down on me. Instead of being crunched bloody, I slid into the space where its tooth was missing. One tooth—a boon most potent, indeed." —The Tall Tales of Oleander
Artist:
Alan PollackShare:
Text:
Whenever a player casts a green spell, you may gain 1 life.
Rulings:
- 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.
Legality:
- standard: Not legal
- future: Not legal
- frontier: Not legal
- modern: Legal
- legacy: Legal
- pauper: Not legal
- vintage: Legal
- penny: Legal
- commander: Legal
- 1v1: Legal
- duel: Legal
- brawl: Not legal
- oldschool: Not legal
- historic: Not legal
- pioneer: Not legal
- gladiator: Not legal
- premodern: Not legal
- historicbrawl: Not legal
- paupercommander: Not legal
- alchemy: Not legal
- explorer: Not legal
- predh: Legal
- oathbreaker: Legal