Eiburi, "Nani no Seiko!"

As Eiburi enters the battlefield, choose artifact, enchantment, or planeswalker.
{3}{w}{u}{b}{r}: Search target opponents library for
a card of the chosen type and put that onto the battlefield under your control. That player shuffles
their deck. Activate this only once each turn.
At the beginning of your endstep, search your
library for a card, put that card into your hand,
then discard a card at random. Shuffle your deck.