From Beyond [Battle for Zendikar Prerelease Promos] Planeshift which can be quite unsettling

which can be quite unsettling for their prey

These beings embody the essence of true heroes long dead

Set: Dominaria Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {0} {T}: Add one mana of any color among legendary creatures and planeswalkers you control

its owner shuffles their graveyard into their library

From Beyond [Battle for Zendikar Prerelease Promos] Planeshift which can be quite unsettlingSet: Battle for Zendikar Prerelease Promos Type: Enchantment Rarity: Rare Cost: {3}{G} Devoid (This card has no color.) At the beginning of your upkeep, create a 1 1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}." {1}{G}, Sacrifice From Beyond: Search your library for an Eldrazi card, reveal it, put it into your hand, then shuffle.