Jyystin, Wandering Recruiter

When Jyystin, Wandering Recruiter enters the battlefield, search your library for up to three creature cards. Reveal those cards to all players
then shuffle your library. Put the revealed cards
this way on the top of your library in an order.
At the beginning of your upkeep, if you control
four or more Eldrazi-type creatures, sacrifice
Jyystin, Wandering Recruiter.