At the beginning of your upkeep, Grim Feast deals 1 damage to you. Whenever a creature is put into an opponent's graveyard from the battlefield, you gain life equal to its toughness.
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 affects all opposing players in a multiplayer game.