Norn's Decree ONC/9

Set: Phyrexia: All Will Be One Commander
Collector Code: ONC/9
Name: Norn's Decree
Type: Enchantment
Oracle text: 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.
Rarity: Rare