Kami of the Twilight

Tint {w}{w}(this permanent becomes white)
Tint {b}{b} (this permanent becomes black)
While this permanent is black, whenever a
permanent is sent to the graveyard, each player
that doesn't own that permanent must sacrifice a
permanent
While this permanent is white, whenever a player
casts a permanent spell each playr ,may create a
token that's a copy of it