March of the Machine

Ayara, Widow of the Realm // Ayara, Furnace Queen | Legendary Creature // Legendary Creature | Elf Noble // Phyrexian Elf Noble | {T}, Sacrifice another creature or artifact: Ayara, Widow of the Realm deals X damage to target opponent or battle and you gain X life, where X is the sacrificed permanent's mana value. {5}{R/P}: Transform Ayara. Activate only as a sorcery. ({R/P} can be paid with either {R} or 2 life.) // At the beginning of combat on your turn, return up to one target artifact or creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. | Anna Podedworna

Into the Fire | Sorcery | | Choose one — • Into the Fire deals 2 damage to each creature, planeswalker, and battle. • Put any number of cards from your hand on the bottom of your library, then draw that many cards plus one. | Grzegorz Rutkowski

Nahiri's Warcrafting | Sorcery | | Nahiri's Warcrafting deals 5 damage to target creature, planeswalker, or battle. Look at the top X cards of your library, where X is the excess damage dealt this way. You may exile one of those cards. Put the rest on the bottom of your library in a random order. You may play the exiled card this turn. | Zara Alfonso

Voldaren Thrillseeker | Creature | Vampire Warrior | Backup 2 (When this creature enters the battlefield, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.) {1}, Sacrifice this creature: It deals damage equal to its power to any target. | Viko Menezes

Baral and Kari Zev | Legendary Creature | Human | First strike, menace Whenever you cast your first instant or sorcery spell each turn, you may cast a spell with lesser mana value that shares a card type with it from your hand without paying its mana cost. If you don't, create First Mate Ragavan, a legendary 2/1 red Monkey Pirate creature token. It gains haste until end of turn. | Fariba Khamseh