Thrumming Stone
Legendary Artifact
Set
Coldsnap (csp)
Rarity
Rare
Mana Cost
Artist
Rob Alexander
Oracle Text
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.)Legality
Standard
Not Legal
Modern
Legal
Legacy
Legal
Vintage
Legal
Commander
Legal
Pioneer
Not Legal
Pauper
Not Legal
Brawl
Not Legal
Decks with this card (1)
Rulings (2)
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Wizards of the CoastIf you cast a spell that already has ripple (such as Surging Flame, which has ripple 4) while Thrumming Stone is on the battlefield, both ripple abilities will trigger separately. Assuming you choose to do all "you may" actions, when the first instance of ripple resolves, you reveal the top four cards of your library, cast all Surging Flames, and put the rest of the cards on the bottom of your library. Any new Surging Flames are on the stack on top of the other instance of ripple, so they'll resolve next. Each of them also has two instances of ripple, which trigger separately, and the process continues until the ripple abilities don't reveal any Surging Flames.
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Wizards of the CoastIf you cast half of a split card (for example, Hit) and reveal another one of those split cards when the ripple ability resolves (for example, Hit // Run), you may cast either half of that split card (Hit or Run) without paying its mana cost.