mtg commander decks march of the machines Machine Deck Set and 1 reference card. Magic: The Gathering March of

With Day of Judgement back in Standard, creature-based decks will have a tough time finding a foothold for quite some time

There are two recently printed common two cost sorceries in this genre that exile two for the next turn for cheap enough to play they are pretty pricey too (Wrenn's Resolve is sold out here and as high as 2 bucks on other sides, Reckless Impulse is also sold out here and tends to be closer to 2.50 on other sites) The only cheap is the uncommon from a limited Commander only set, Inspired Tinkering, also sold out but a cheaper 30 cents on other sites

X-Spells tend to get markedly more powerful when you can produce that much mana

Bloodletter of Aclazotz Speaking of Sheoldred

With Mockingbird you get the upside of a flying clone, and its wording means you're always spending a net-even amount of mana compared to the creature you copy