Influence of Cuthulu

Foresee X. Look at the top X cards of target
opponents library. You may choose to put any card(s)
on the bottom of their library. Put the remaining cards
on your opponent's library in any order.
The Thing cannot be described - there is no language
for such abysms of shrieking and immemorial lunacy,
such eldritch contradictions of all matter, force, and
cosmic order. A mountain walked or stumbled.