At the beginning of your upkeep, if you control a green or white permanent, target player loses 1 life. If you control a green permanent and a white permanent, that player loses 3 life instead.
Legalities
Not Legal
Standardbrawl
Brawl
Penny
Future
Modern
Pauper
Alchemy
Pioneer
Historic
Standard
Gladiator
Oldschool
Historicbrawl
Paupercommander
Explorer
Timeless
Legal
Duel
Legacy
Vintage
Commander
Premodern
Predh
Oathbreaker
Rulings
2004-10-04
It can make a player lose 0, 1, or 3 life, but never 4.