Riddler Urtuma, the Gate Door

Reach, defender. This card can block any number
of creatures. When this card is put onto the battlefield divide the top four cards of your
library in two piles, your opponents choose one of
them, discard it and put the rest in yor hand. If a sorcery or instant would discarded this way you
may cast it this turn, if there isn't any sorcery or instant, destroy target creature. Whenever this card blocks, put the top two cards of your library in
your graveyard. "Do you want to pass? Solve my
ri