March of the Machine

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

Invasion of New Phyrexia // Teferi Akosa of Zhalfir | Battle // Legendary Planeswalker | Siege // Teferi | (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 New Phyrexia enters, create X 2/2 white and blue Knight creature tokens with vigilance. // +1: Draw two cards. Then discard two cards unless you discard a creature card. −2: You get an emblem with "Knights you control get +1/+0 and have ward {1}." −3: Tap any number of untapped creatures you control. When you do, shuffle target nonland permanent an opponent controls with mana value X or less into its owner's library, where X is the number of creatures tapped this way. | Chris Rallis