Paradox Engine [Kaladesh Inventions] Human Assassin or become tapped

or become tapped

You and Humans you control have hexproof

Set: Kaladesh Type: Artifact Rarity: Rare Cost: {4} Whenever you cast a spell

and planeswalker spells that player casts cost {2} less to cast

Set: Modern Event Deck 2014 Type: Land Rarity: Rare Whenever City of Brass becomes tapped

Paradox Engine [Kaladesh Inventions] Human Assassin or become tappedSet: Kaladesh Inventions Type: Legendary Artifact Rarity: Mythic Cost: {5} Whenever you cast a spell, untap all nonland permanents you control. "This device was submitted to the Fair anonymously. It is imperative that its maker be found. We must understand it." Confiscation directive