![Tap t](/images/productsymbols/t_icon.gif)
: Add
![1 1](/images/productsymbols/1_icon.gif)
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.