Dominaria

Urza's Ruinous Blast | Legendary Sorcery | | (You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Exile all nonland permanents that aren't legendary. | Noah Bradley

The Mirari Conjecture | Enchantment | Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Return target instant card from your graveyard to your hand. II — Return target sorcery card from your graveyard to your hand. III — Until end of turn, whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy. | James Arnold

Yawgmoth's Vile Offering | Legendary Sorcery | | (You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Put up to one target creature or planeswalker card from a graveyard onto the battlefield under your control. Destroy up to one target creature or planeswalker. Exile Yawgmoth's Vile Offering. | Noah Bradley

Siege-Gang Commander | Creature | Goblin | When Siege-Gang Commander enters the battlefield, create three 1/1 red Goblin creature tokens. {1}{R}, Sacrifice a Goblin: Siege-Gang Commander deals 2 damage to any target. | Aaron Miller

The Mending of Dominaria | Enchantment | Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Mill two cards, then you may return a creature card from your graveyard to your hand. III — Return all land cards from your graveyard to the battlefield, then shuffle your graveyard into your library. | Adam Paquette

Oath of Teferi | Legendary Enchantment | | When Oath of Teferi enters the battlefield, exile another target permanent you control. Return it to the battlefield under its owner's control at the beginning of the next end step. You may activate the loyalty abilities of planeswalkers you control twice each turn rather than only once. | Wesley Burt

Gilded Lotus | Artifact | | {T}: Add three mana of any one color. | Volkan Baǵa

Mishra's Self-Replicator | Artifact Creature | Assembly-Worker | Whenever you cast a historic spell, you may pay {1}. If you do, create a token that's a copy of Mishra's Self-Replicator. (Artifacts, legendaries, and Sagas are historic.) | Joseph Meehan