Mana Crypt (Book Promo) [HarperPrism Book Promos] Worldwake Prerelease Promos and that player can't activate

and that player can't activate abilities that aren't mana abilities

Set: Kaladesh Prerelease Promos Type: Enchantment Rarity: Mythic Cost: {3}{U}{U} Whenever you cast an instant or sorcery spell

" —William Shakespeare

Set: Visions Type: Creature — Atog Rarity: Rare Cost: {1}{U} {0}: Chronatog gets +3/+3 until end of turn

you may exile target nontoken creature

Mana Crypt (Book Promo) [HarperPrism Book Promos] Worldwake Prerelease Promos and that player can't activateSet: HarperPrism Book Promos Type: Artifact Rarity: Rare Cost: {0} At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you. {T}: Add {C}{C}.