Changeling Switch

Linger (Whenever you play an instant or sorcery
spell, you may pay {2} and exile this card from your graveyard. If you do, add the bracketed phrase to the triggering spell.)
Enchant creature
Enchanted creature gains flying, is a faerie in
addition to its other types, and is not legendary. Whenever enchanted creature becomes tapped,
[ create two 1/1 blue faerie creature tokens with
flying. ]