Sanctum of Ugin
c817a0ac-7917-4542-b7d2-52cf43158533
$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.