Sanctum of Ugin [Battle for Zendikar Prerelease Promos]Set: Battle for Zendikar Prerelease Promos Type: Land Rarity: Rare {T}: Add {C}. Whenever you cast a colorless spell with mana value 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.

+1: Add two mana in any combination of colors

The earth's real treasure is far deeper

Set: Modern Masters Type: Artifact Creature — Beast Rarity: Rare Cost: {2} Sacrifice an artifact: Put a +1/+1 counter on Arcbound Ravager

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {0} Destroy target nonblack creature

When Thought-Knot Seer enters the battlefield

" —Elesh Norn

"The most enlightened mages create beauty from violence

Set: Rivals of Ixalan Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {6} Players can't activate planeswalkers' loyalty abilities

Put Seasons Past on the bottom of its owner's library

Set: Conspiracy Type: Artifact Rarity: Rare Cost: {4} You may cast spells as though they had flash

" —Moruul

The end of evolution