Necra Sanctuary

Oracle Text

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.

Card Rulings

10/4/2004 It can make a player lose 0, 1, or 3 life, but never 4.
10/4/2004 One permanent that is both white and green will cause the player to be affected by the lose 3 life portion.