This card comes with a Certificate of Authenticity from CoolStuffInc,
and was signed by artist Randy Gallegos in the presence of a member of the CoolStuffInc staff or during a paid private signing.
It is therefore guaranteed authentic for the life of the item.
Each certificate is hand numbered and pictures of the card are kept on file to verify
this card is the one that accompanies the numbered certificate.

Creatures your opponents control lose flying until end of turn if was spent to cast Invert the Skies, and creatures you control gain flying until end of turn if was spent to cast it. (Do both if was spent.)