Geth's Grimoire [Mystery Booster] War of the Spark Promos −8: You get an emblem

−8: You get an emblem with "You have no maximum hand size" and "Whenever a card is put into your graveyard from anywhere

exile cards from the top of your library until you exile a nonland permanent card

and Helm of Kaldra have indestructible

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {1}{U}{U} Buyback—Discard two cards

Set: Aether Revolt Prerelease Promos Type: Sorcery Rarity: Rare Cost: {4}{G}{G} Draw cards equal to the greatest power among creatures you control

Geth's Grimoire [Mystery Booster] War of the Spark Promos −8: You get an emblemSet: Mystery Booster Type: Artifact Rarity: Uncommon Cost: {4} Whenever an opponent discards a card, you may draw a card. The book shrieks horribly until its cover is opened, granting the spirit inside a moment's rest from the painful stirrings of the book's contents.