Baral's Expertise | Sorcery | | Return up to three target artifacts and/or creatures to their owners' hands.
You may cast a spell with mana value 4 or less from your hand without paying its mana cost. | Todd Lockwood
Dispersal Technician | Creature | Vedalken Artificer | When Dispersal Technician enters the battlefield, you may return target artifact to its owner's hand. | Scott Murphy
Reverse Engineer | Sorcery | | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Draw three cards. | Chase Stone
Salvage Scuttler | Creature | Crab | Whenever Salvage Scuttler attacks, return an artifact you control to its owner's hand. | Tony Foti
Maverick Thopterist | Creature | Human Artificer | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
When Maverick Thopterist enters the battlefield, create two 1/1 colorless Thopter artifact creature tokens with flying. | Zack Stella
Dark Intimations | Sorcery | | Each opponent sacrifices a creature or planeswalker, then discards a card. You return a creature or planeswalker card from your graveyard to your hand, then draw a card.
When you cast a Bolas planeswalker spell, exile Dark Intimations from your graveyard. That planeswalker enters the battlefield with an additional loyalty counter on it. | Chase Stone