Thrumming Stone [Double Masters 2022] XY76 puts it on the bottom

puts it on the bottom of their library

Set: EX: Emerald Type: Water Rarity: Ultra Rare Retreat cost: Colorless

some wizards are finding that they have a little too much spell left at the end of their mana

When Avatar of Growth enters the battlefield

opened its terrible maw

Thrumming Stone [Double Masters 2022] XY76 puts it on the bottomSet: Double Masters 2022 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.)