Thrumming Stone [Coldsnap] Aether Revolt Prerelease Promos Sacrifice Memory Jar: Each player

Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards

quoting Confucius

they tap all lands with mana abilities they control and lose all unspent mana

it gains haste until end of turn

Set: Portal Three Kingdoms Type: Sorcery Rarity: Rare Cost: {3}{W} Destroy all lands

Thrumming Stone [Coldsnap] Aether Revolt Prerelease Promos Sacrifice Memory Jar: Each playerSet: Coldsnap Type: Legendary Artifact Rarity: Rare Cost: {5} Spells you cast have ripple 4. (Whenever you cast a spell, you may reveal the top four cards of your library. You may cast spells with the same name as that spell from among the revealed cards without paying their mana costs. Put the rest on the bottom of your library.)