Geldror, Mountain Guide

Trample
At the beginning of your end step, put a revelation counter on Geldror, Mountain Guide.
{t}, remove a revelation counter from Geldror: Target opponent looks at your library, chooses a land card, a creature card, and a non-land, non-creature card from among them, then exiles the chosen cards. Shuffle your library afterwards. You may then put the exiled cards into your hand. If you do not, draw 3 cards.
Clear you mind, and he will fill it.