Ysiloth, Everspreading Garden

At the beggining of your upkeep, you may pay {w}{g}, if you do, put a green */2 Seed of Ysiloth creature token with "this creature's power is
equal to the number of creatures you control"
onto the battlefield.
When Ysiloth, Everspreading Garden leaves the battlefield, you get an emblem with "At the beginning of your end step, if you do not cotrol Ysiloth, Everspreading Gardern, sacrifice a
creature named Seed of Ysiloth.