Core Set 2019

Aven Wind Mage | Creature | Bird Wizard | Flying Whenever you cast an instant or sorcery spell, Aven Wind Mage gets +1/+1 until end of turn. | Lius Lasahido

Aviation Pioneer | Creature | Human Artificer | When Aviation Pioneer enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying. | Lake Hurwitz

Exclusion Mage | Creature | Human Wizard | When Exclusion Mage enters the battlefield, return target creature an opponent controls to its owner's hand. | Chris Seaman

Mirror Image | Creature | Shapeshifter | You may have Mirror Image enter the battlefield as a copy of a creature you control. | Randy Vargas

Sai, Master Thopterist | Legendary Creature | Human Artificer | Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying. {1}{U}, Sacrifice two artifacts: Draw a card. | Adam Paquette

Skilled Animator | Creature | Human Artificer | When Skilled Animator enters the battlefield, target artifact you control becomes an artifact creature with base power and toughness 5/5 for as long as Skilled Animator remains on the battlefield. | Jason A. Engle

Tolarian Scholar | Creature | Human Wizard | | Sara Winters

Enigma Drake | Creature | Drake | Flying Enigma Drake's power is equal to the number of instant and sorcery cards in your graveyard. | Steve Argyle