mtg march of the machines most valuable cards / Machine Each noncreature artifact is an artifact creature with power and toughness each equal to its converted mana cost 10 MOST Expensive Cards from

It takes down a cheap artifact or creature, and leaves behind a reasonable defensive body that can even help you poison your opponent

Then use Spirit Mirror's zero-mana activated ability to destroy that Reflection Creature

Lay Bare the Heart This was set to be the best two drop Distress for cube until they changed up the planeswalker legend rules

You could argue that this red creature provides a boon if youre behind and recasting your commander often, but its such a weak payoff that youd be better off running protection in that slot

While it doesnt replace itself up front the way Animation did, this format has lots of random artifact tokens that this can animate into a very real creature, and the Glyph does replace itself if your opponent can ever deal with your creature, and they probably have to in one way or another, since a 5/4 isnt really the kind of thing you can ignore

Aristocrat classics are one of the best choices, with Zulaport Cutthroat and Blood Artist proving to be as good as ever in the vicinity of dying creatures