Name:Ingenuity Engine
ManaCost:7
Types:Artifact
K:Cascade
A:AB$ ChangeZone | Cost$ 1 T Sac<1/Artifact/artifact> | TgtPrompt$ Choose target artifact you control | ValidTgts$ Artifact.YouCtrl | Origin$ Battlefield | Destination$ Hand | SpellDescription$ Return target artifact you control to its owner's hand.
DeckNeeds:Type$Artifact
DeckHas:Ability$Sacrifice
Oracle:Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)\n{1}, {T}, Sacrifice an artifact: Return target artifact you control to its owner's hand.