Purelances vs. The Darkened

Purelances: ({5}{w}{u}): Creatures you control get +0/+3 and up to three creatures you control gain indestructible. Creatures you control gain vigilance and lifelink.
The Darkened: ({3}{b}{g}): Whenever a creature you control deals combat damage to a player, draw a card. Creatures you control cannot be blocked.
(You may cast one war on this card as a sorcery. The first effect is immediate. The second come