Kesaluna Bazaar

Stock 5.
Once per turn may remove X stock counters from
any number of permanents you control to search
your library for a nonland card with converted
mana cost X or less, reveal that card and add it to
your hand, target opponent may then search
their library for a nonland card with converted
mana cost X plus 1, they reveal that card and add
it to their hand. Shuffle each library searched this
way.