Emira, Tyrant Tamer

Eldrazi cards you cast cost {1} less to cast for each
Eldrazi you control.
Sarifice 2 lands: Search your library for an
Eldrazi card, reveal it and put it into your
hand. Shuffle your library.
Sacrifice 2 creatures: Search your library for
a basic land, put it onto the battlefield tapped.
Shuffle your library.