Harried Artisan // Phyrexian Skyflayer
A grounded 2/3 with haste is an unusual opening threat, and this design leans entirely on its transform button as a place to spend late-game mana. The Human artificer attacks the turn it arrives, then converts extra mana into a sorcery-speed activation that remakes it into a Phyrexian flyer with a bigger swing in the air. The Phyrexian pip is the lever worth watching: it can be paid with white or with 2 life, so the flip never strands off a single color and can be pushed ahead of schedule whenever the life total has room to spare. Restricting the activation to sorcery speed keeps this off the combat-trick line; you commit on your own turn, telegraphing the change, rather than ambushing a blocker or dodging removal in response. Printing haste on both faces preserves the clock: the ground body wants to race the moment it lands, and repeating the keyword on the flyer means the transform upgrades the attack rather than resetting it. What emerges is a compact reading of compleation as self-improvement: a craftsperson who pays, in mana or in blood, to become something that flies, with the split between white and life letting the deck dictate how quickly that becoming arrives.
