Name:Thrumming Stone
ManaCost:5
Types:Legendary Artifact
T:Mode$ SpellCast | ValidCard$ Card | ValidActivatingPlayer$ You | TriggerZones$ Battlefield | OptionalDecider$ You | Execute$ TrigRem | TriggerDescription$ 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.)
SVar:TrigRem:DB$ Pump | ImprintCards$ TriggeredCard | SubAbility$ TrigRipple
SVar:TrigRipple:DB$ Dig | NoMove$ True | DigNum$ 4 | Reveal$ True | RememberRevealed$ True | SubAbility$ DBThrummingRipple
SVar:DBThrummingRipple:DB$ Play | Valid$ Card.IsRemembered+sharesNameWith Imprinted | ValidZone$ Library | WithoutManaCost$ True | Optional$ True | Amount$ All | SubAbility$ ThrummingMoveToBottom
SVar:ThrummingMoveToBottom:DB$ ChangeZoneAll | ChangeType$ Card.IsRemembered | Origin$ Library | Destination$ Library | LibraryPosition$ -1 | SubAbility$ ThrummingCleanup
SVar:ThrummingCleanup:DB$ Cleanup | ClearRemembered$ True | ClearImprinted$ True
SVar:Picture:http://www.wizards.com/global/images/magic/general/thrumming_stone.jpg
Oracle: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.)