Baffling Projector

If Baffling Projector is untapped, spells you cast
cost {1} less to cast. If it is tapped, add 1 to the
converted mana cost of spells you control.
{0}: Tap Baffling Projector. If Baffling Projector
becomes tapped this way, you may copy target
spell. You may choose new targets for the copy.
You may activate this ability only once each turn.
{2}, {t} or {ut}: Add {c}. Any player may activate
this ability.