Kalderi, Ruthless Skinner

Infect, First strike
Whenever one or more counters are put on
a permanent, create a 1/1 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.