Sanctum of Ugin
86798d03-9f2d-46bd-a660-13c8dd5535ce
$1.00 CND
{T}: Add {C} to your mana pool.
Whenever you cast a colorless spell with converted mana cost 7 or greater, you may sacrifice Sanctum of Ugin. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle your library.