Name:Paradox Engine
ManaCost:5
Types:Legendary Artifact
T:Mode$ SpellCast | ValidCard$ Card | ValidActivatingPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigUntapAll | TriggerDescription$ Whenever you cast a spell, untap all nonland permanents you control.
SVar:TrigUntapAll:DB$ UntapAll | ValidCards$ Permanent.YouCtrl+nonLand
Oracle:Whenever you cast a spell, untap all nonland permanents you control.