Disallow | Instant | | Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.) | Min Yum
Hinterland Drake | Creature | Drake | Flying
Hinterland Drake can't block artifact creatures. | Lake Hurwitz
Metallic Rebuke | Instant | | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Counter target spell unless its controller pays {3}. | Eric Deschamps
Trophy Mage | Creature | Human Wizard | When Trophy Mage enters the battlefield, you may search your library for an artifact card with mana value 3, reveal it, put it into your hand, then shuffle. | Anna Steinbauer
Whir of Invention | Instant | | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle. | Christine Choi
Tezzeret's Touch | Enchantment | Aura | Enchant artifact
Enchanted artifact is a creature with base power and toughness 5/5 in addition to its other types.
When enchanted artifact is put into a graveyard, return that card to its owner's hand. | Chris Rallis
Rogue Refiner | Creature | Human Rogue | When Rogue Refiner enters the battlefield, draw a card and you get {E}{E} (two energy counters). | Victor Adame Minguez
Implement of Examination | Artifact | | {U}, Sacrifice Implement of Examination: Draw a card.
When Implement of Examination is put into a graveyard from the battlefield, draw a card. | Darek Zabrocki
Watchful Automaton | Artifact Creature | Construct | {2}{U}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Eric Deschamps