March of the Machine

Heliod, the Radiant Dawn // Heliod, the Warped Eclipse | Legendary Enchantment Creature // Legendary Enchantment Creature | God // Phyrexian God | When Heliod, the Radiant Dawn enters, return target enchantment card that isn't a God from your graveyard to your hand. {3}{U/P}: Transform Heliod, the Radiant Dawn. Activate only as a sorcery. ({U/P} can be paid with either {U} or 2 life.) // You may cast spells as though they had flash. Spells you cast cost {1} less to cast for each card your opponents have drawn this turn. | Victor Adame Minguez

Chrome Host Seedshark | Creature | Phyrexian Shark | Flying Whenever you cast a noncreature spell, incubate X, where X is that spell's mana value. (Create an Incubator token with X +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) | Donato Giancola

Faerie Mastermind | Creature | Faerie Rogue | Flash Flying Whenever an opponent draws their second card each turn, you draw a card. {3}{U}: Each player draws a card. | Joshua Raphael

Invasion of Segovia // Caetus, Sea Tyrant of Segovia | Battle // Legendary Creature | Siege // Serpent | (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Segovia enters, create two 1/1 blue Kraken creature tokens with trample. // Noncreature spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting a noncreature spell pays for {1} or one mana of that creature's color.) At the beginning of your end step, untap up to four target creatures. | Edgar Sánchez Hidalgo

Rona, Herald of Invasion // Rona, Tolarian Obliterator | Legendary Creature // Legendary Creature | Human Wizard // Phyrexian Wizard | Whenever you cast a legendary spell, untap Rona, Herald of Invasion. {T}: Draw a card, then discard a card. {5}{B/P}: Transform Rona. Activate only as a sorcery. ({B/P} can be paid with either {B} or 2 life.) // Trample Whenever a source deals damage to Rona, Tolarian Obliterator, that source's controller exiles a card from their hand at random. If it's a land card, you may put it onto the battlefield under your control. Otherwise, you may cast it without paying its mana cost. | Victor Adame Minguez

Zephyr Singer | Creature | Siren Pirate | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Flying, vigilance When Zephyr Singer enters the battlefield, put a flying counter on each creature that convoked it. | Lie Setiawan

Errant and Giada | Legendary Creature | Human Angel | Flash Flying You may look at the top card of your library any time. You may cast spells with flash or flying from the top of your library. | Cristi Balanescu

Hidetsugu and Kairi | Legendary Creature | Ogre Demon Dragon | Flying When Hidetsugu and Kairi enters the battlefield, draw three cards, then put two cards from your hand on top of your library in any order. When Hidetsugu and Kairi dies, exile the top card of your library. Target opponent loses life equal to its mana value. If it's an instant or sorcery card, you may cast it without paying its mana cost. | Chris Rahn

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

Inga and Esika | Legendary Creature | Human God | Creatures you control have vigilance and "{T}: Add one mana of any color. Spend this mana only to cast a creature spell." Whenever you cast a creature spell, if three or more mana from creatures was spent to cast it, draw a card. | Wayne Reynolds

Omnath, Locus of All | Legendary Creature | Phyrexian Elemental | If you would lose unspent mana, that mana becomes black instead. At the beginning of your precombat main phase, look at the top card of your library. You may reveal that card if it has three or more colored mana symbols in its mana cost. If you do, add three mana in any combination of its colors and put it into your hand. If you don't reveal it, put it into your hand. | Bryan Sola