Norn's Decree
From Phyrexia: All Will Be One Commander set
Norn's Decree
Enchantment
Whenever one or more creatures an opponent controls deal combat damage to you, that opponent gets a poison counter.
Whenever a player attacks, if one or more players being attacked are poisoned, the attacking player draws a card.
Rulings
- A player is poisoned if that player has one or more poison counters.