Norn's Decree (Commander: Phyrexia: All Will Be One)

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.

NM - $13.50
LP - $11.00
MP - $8.00
HP - $5.50
DMG - $3.00