+Phyresis (4)
Gain control of target Equipment, then create a 0/0 black Phyrexian Germ creature token and attach that Equipment to it.
Enchant creature
Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Each opponent gets a poison counter. Then each creature your opponents control gets -1/-1 until end of turn for each poison counter its controller has.
Each opponent gets a poison counter.
Draw a card.
Gatherer works better in the Companion app!