Skittish Valesk

Morph, in its first incarnation, built around concealment: a 2/2 you flip up for a surprise, a card whose face-down state is a held resource you spend on your terms. This Beast inverts that contract. Once it is face up as a 5/5, you no longer control when it goes back down: each of your upkeeps becomes a wager you can lose, sending it back to a 2/2 against your will. The morph cost here is not the cheap unmorph that rewards a bluff; at it is steep enough that re-flipping is a real reinvestment, and the upkeep flip makes that reinvestment a recurring tax rather than a one-time reveal. Most morph creatures treat the face-down side as the liability and the face-up side as the payoff. The Valesk treats stability itself as the gamble: the design hands you a serviceable body and then attaches a randomizer that can claw it back, turning a creature you committed mana to into something you only half-own from turn to turn. It belongs more to the chance-based, fifty-fifty designs of its era than to the rest of its morph cycle, and the friction it generates is entirely self-inflicted: the only thing fighting your 5/5 is the rule printed on it.