March of the Machine

Blighted Burgeoning | Enchantment | Aura | Enchant land When Blighted Burgeoning enters the battlefield, incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color. | Piotr Foksowicz

Overgrown Pest | Creature | Pest | When Overgrown Pest enters the battlefield, look at the top five cards of your library. You may reveal a land or double-faced card from among them and put that card into your hand. Put the rest on the bottom of your library in a random order. | Eelis Kyttanen

Serpent-Blade Assailant | Creature | Elf Warrior | Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) Deathtouch | Durion

War Historian | Creature | Human Monk | Reach War Historian has indestructible as long as it attacked a battle this turn. | Ryan Valle