March of the Machine

Chandra, Hope's Beacon | Legendary Planeswalker | Chandra | Whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy. This ability triggers only once each turn. +2: Add two mana in any combination of colors. +1: Exile the top five cards of your library. Until the end of your next turn, you may cast an instant or sorcery spell from among those exiled cards. −X: Chandra, Hope's Beacon deals X damage to each of up to two targets. | Kieran Yanner

Invasion of Tarkir // Defiant Thundermaw | Battle // Creature | Siege // Dragon | (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 Tarkir enters, reveal any number of Dragon cards from your hand. When you do, Invasion of Tarkir deals X plus 2 damage to any other target, where X is the number of cards revealed this way. (X can be 0.) // Flying, trample Whenever a Dragon you control attacks, it deals 2 damage to any target. | Darren Tan

Urabrask // The Great Work | Legendary Creature // Enchantment | Phyrexian Praetor // Saga | First strike Whenever you cast an instant or sorcery spell, Urabrask deals 1 damage to target opponent. Add {R}. {R}: Exile Urabrask, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery and only if you've cast three or more instant and/or sorcery spells this turn. // (As this Saga enters and after your draw step, add a lore counter.) I — The Great Work deals 3 damage to target opponent and each creature they control. II — Create three Treasure tokens. III — Until end of turn, you may cast instant and sorcery spells from any graveyard. If a spell cast this way would be put into a graveyard, exile it instead. Exile The Great Work, then return it to the battlefield (front face up). | Campbell White

Zurgo and Ojutai | Legendary Creature | Orc Dragon | Flying, haste Zurgo and Ojutai has hexproof as long as it entered the battlefield this turn. Whenever one or more Dragons you control deal combat damage to a player or battle, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. You may return one of those Dragons to its owner's hand. | Daarken

Kroxa and Kunoros | Legendary Creature | Elder Giant Dog | Vigilance, menace, lifelink Whenever Kroxa and Kunoros enters the battlefield or attacks, you may exile five cards from your graveyard. When you do, return target creature card from your graveyard to the battlefield. | Ignatius Budi

Borborygmos and Fblthp | Legendary Creature | Cyclops Homunculus | Whenever Borborygmos and Fblthp enters the battlefield or attacks, draw a card, then you may discard any number of land cards. When you discard one or more cards this way, Borborygmos and Fblthp deals twice that much damage to target creature. {1}{U}: Put Borborygmos and Fblthp into its owner's library third from the top. | Rudy Siswanto