Name:Diviner's Lockbox
ManaCost:4
Types:Artifact
A:AB$ NameCard | Cost$ 1 T | Defined$ You | SubAbility$ DBReveal | SorcerySpeed$ True | SpellDescription$ Choose a card name, then reveal the top card of your library. If that card has the chosen name, sacrifice CARDNAME and draw three cards. Activate this ability only any time you could cast a sorcery.
SVar:DBReveal:DB$ PeekAndReveal | RememberRevealed$ True | SubAbility$ DBSac
SVar:DBSac:DB$ Sacrifice | SacValid$ Self | ConditionDefined$ Remembered | ConditionPresent$ Card.NamedCard | ConditionCompare$ GE1 | SubAbility$ DBDraw
SVar:DBDraw:DB$ Draw | NumCards$ 3 | ConditionDefined$ Remembered | ConditionPresent$ Card.NamedCard | ConditionCompare$ GE1 | SubAbility$ DBCleanup
SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
AI:RemoveDeck:All
Oracle:{1}, {T}: Choose a card name, then reveal the top card of your library. If that card has the chosen name, sacrifice Diviner's Lockbox and draw three cards. Activate this ability only any time you could cast a sorcery.