Cosmos Charger is a rare Creature — Horse Spirit card from Magic Online Promos (PRM), collector number 88244.
Flash Flying Foretelling cards from your hand costs {1} less and can be done on any player's turn. Foretell {2}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)