Irni, Treasure Seeker

Whenever you would shuffle your library, exile a
card from your library and put a ruin counter on target land you control without a ruin counter on
it. For as long as that land has a ruin counter on
it, it is a colourless wastes land. At the beginning
of the next end step, place the exiled card on top
of your library.
{u/b}{u/b}, Declare a card name: reveal the top card of
your library. If the revealed card has the same
name as the declared card, place it into your hand
and draw a card.