Pestilence Lord Vaal-Hazak

Flying, Menace, Infect
At the beginning of your endstep, proliferate
(Choose any number of permanents and/or players,
then give each another counter of each kind already
there.)
If Pestilence Lord Vaal-Hazak is in a graveyard,
you may pay {7}{b}{b}{b}{b}. If you do, you may put
Pestilence Lord Vaal-Hazak back on the
battlefield.