From Beyond [Battle for Zendikar Promos] Archenemy that creature gets +1/+1 until

that creature gets +1/+1 until end of turn

It wants to remain a mystery

(Piles can be empty

Set: Mercadian Masques Type: Sorcery Rare Cost: {3}{B} You may exile a black card from your hand rather than pay this spell's mana cost

From Beyond [Battle for Zendikar Promos] Archenemy that creature gets +1/+1 untilSet: Battle for Zendikar Promos Type: Enchantment 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 your library.