Khora, Lady of Chaos

{1}{p/b}: Create a 1/1 Phyrexian Marker
{1}{p/r}: Target instant or sorcery spell gains
flashback until end of turn
{1}{p/u}: Surveil 2
If 3 or more instant and sorcery spells have been
cast this turn, copy target instant or sorcery spell,
you may choose new targets for the copy. If the
copied spell belongs to an opponent, return that
spell to their hand, the spell still resolves.