Phyrexian Waste

{t}: Add {c} to your mana pool.
{p/c}, {t}: All creatures you control gain Infect until
the end of the turn (They deal damage to creatures
in the form of -1/-1 counters and to players in the form
of poison counters.)
Slowly dripping, slowly running, the Glistening Oil
took control over Mirrodin and its unsuspecting inhabitants.