Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Other creatures you control with
infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) get +1/+1.
Whenever you cast a creature spell with
infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.), target player gets a poison counter.