Kalderi, Ruthless Skinner

Infect, First strike
Whenever one or more counters are put on one
or morepermanents or players, create a 1/1 black
Phyrexian creature token with Infect and
decayed. (It cant block, and when it attacks,
sacrifice it at the end of combat.)
Sacrifice a creature: Draw a card.
Activate this ability only if you control another Phyrexian.