Name:Oracle's Vault
ManaCost:4
Types:Artifact
A:AB$ Dig | Cost$ 2 T | Defined$ You | DigNum$ 1 | ChangeNum$ All | DestinationZone$ Exile | RememberChanged$ True | SubAbility$ DBEffect1 | AILogic$ ExileAndPlayUntilEOT | SpellDescription$ Exile the top card of your library. Until end of turn, you may play that card. Put a brick counter on CARDNAME.
SVar:DBEffect1:DB$ Effect | RememberObjects$ RememberedCard | StaticAbilities$ Play1 | SubAbility$ DBPutCounter | ExileOnMoved$ Exile
SVar:DBPutCounter:DB$ PutCounter | Defined$ Self | CounterType$ BRICK | CounterNum$ 1 | SubAbility$ DBCleanup
SVar:Play1:Mode$ Continuous | MayPlay$ True | EffectZone$ Command | Affected$ Card.IsRemembered | AffectedZone$ Exile | Description$ You may play remembered card.
A:AB$ Dig | Cost$ T | Defined$ You | DigNum$ 1 | ChangeNum$ All | DestinationZone$ Exile | RememberChanged$ True | SubAbility$ DBEffect2 | CheckSVar$ X | SVarCompare$ GE3 | AILogic$ ExileAndPlayUntilEOT | SpellDescription$ Exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Activate only if there are three or more brick counters on CARDNAME.
SVar:DBEffect2:DB$ Effect | RememberObjects$ RememberedCard | StaticAbilities$ Play2 | SubAbility$ DBCleanup | ExileOnMoved$ Exile
SVar:Play2:Mode$ Continuous | MayPlay$ True | EffectZone$ Command | Affected$ Card.IsRemembered | MayPlayWithoutManaCost$ True | AffectedZone$ Exile | Description$ You may play remembered card without paying its mana cost.
SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
SVar:X:Count$CardCounters.BRICK
Oracle:{2}, {T}: Exile the top card of your library. Until end of turn, you may play that card. Put a brick counter on Oracle's Vault.\n{T}: Exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Activate only if there are three or more brick counters on Oracle's Vault.