Skyblinder Staff | Magic: The Gathering
Formats Skyblinder Staff is Legal in
Official Oracle Text for Skyblinder Staff
Equip (: Attach to target creature you control. Equip only as a sorcery.)
Official Rulings for Skyblinder Staff
1/24/2013 : If the equipped creature is blocked by a creature and then that creature gains flying, the equipped creature will remain blocked.