Trip to Wonderland

Choose Two:
— Search target opponent's library and choose a
card from it. They shuffle their library and place
that card on top. That player may do the same to
you.
— Target creature gets -X/0 and another target
creature gets +X/0, where X is the first's power.
— Exchange graveyards with target opponent.
{line} Exchange the abilities of two target
permanents.