Phyrexian Portal

Artifact

: If your library has ten or more cards in it, target opponent looks at the top ten cards of your library and separates them into two face-down piles. Exile one of those piles. Search the other pile for a card, put it into your hand, then shuffle the rest of that pile into your library.

Phyrexian Portal is on the reserved list, which means WOTC has self-imposed restrictions from making functional reprints of this card.