Cogworker's Puzzleknot

Contraband Kingpin

Inventors' Fair

Pia Nalaar

Prophetic Prism

Scrapheap Scrounger

Spirebluff Canal

Aethersphere Harvester

Battle at the Bridge

Fatal Push

Herald of Anguish

Maverick Thopterist

Metallic Rebuke

Renegade Map

Servo Schematic

Spire of Industry

Tezzeret the Schemer

Tezzeret's Touch

Fetid Pools

The Scarab God

Dragonskull Summit

Drowned Catacomb

Negate

Counter target noncreature spell.

Sorcerous Spyglass

As Sorcerous Spyglass enters the battlefield, look at an opponent's hand, then choose any card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Island

({T}: Add {U}.)

Swamp

({T}: Add {B}.)

Mountain

({T}: Add {R}.)