Stained Glass Mural

Fortify {1} ({1}: Attach to target land you control. Fortify only as a sorcery.)
Fortified land has "As long as this permanent is untapped, white creatures you control have the activated abilities of this permanent."
Fortified land has "{w/b},{t}: Turn target creature card face-up or face-down." (Single-side cards become colorless 2/2 creatures when face-down. Double-side cards transform.)