Cogito Ergo Sum

Compile X (Each time you would choose a target for
this spell you may compile instead. If you do, as this
spell resolves, create a X/X white blue Daemon
artifact creature token and Cogito Ergo Sum targets it instead.)
Gain control of target spell or nonland
permanent with converted mana cost X or less.
If the target is a spell you may choose new
targets for it.