Eye of Ugin
Legendary Land
Colorless Eldrazi spells you cast cost 
less to cast.
, 
: Search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL