Helm of Spencer's Spirit

When Helm of Spencer's Spirit enters the
battlefield, create a 1/1 white and black human
knight creature token and attach Helm of
Spencer's Spirit to it. Equipped creature get
+1+1 for each spirit token.
At the beginning of your up keep, if
Helm of Spencer's Spirit is equipped, create a
1/1 dog spirit token.
Equip {4}
Achieve victory through overwhelming spirit!