Norn's Annex [Phyrexia: All Will Be One Commander]

Set: Phyrexia: All Will Be One Commander Type: Artifact Rarity: Rare Cost: {3}{W/P}{W/P} (W/P can be paid with either W or 2 life.)Creatures can't attack you or a Planeswalker you control unless their controller pays P/W for each of those attacking creatures.