Vilya, Ring of Sapphire

When equipped creature attacks, put target
permanent on top of its owner's library, then
fateseal 2 (look at the top two cards of an opponent's
library, then put any number of them on the bottom of
that player's library and the rest on top in any order.)
{u}{u}: Attach to target creature you control.
Equip {3} ({3}: Attach to target creature you control.
Equip only as a sorcery.)