The Brothers' War

Tawnos, the Toymaker | Legendary Creature | Human Artificer | Whenever you cast a Beast or Bird creature spell, you may copy it, except the copy is an artifact in addition to its other types. (The copy becomes a token.) | Livia Prima

Mishra, Tamer of Mak Fawa | Legendary Creature | Human Artificer | Permanents you control have "Ward—Sacrifice a permanent." Each artifact card in your graveyard has unearth {1}{B}{R}. ({1}{B}{R}: Return the card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) | Darren Tan

Deathbloom Ritualist | Creature | Elf Warlock | {T}: Add X mana of any one color, where X is the number of creature cards in your graveyard. | Taras Susak