Gustcloak Cavalier

Three combat-control abilities stacked on one body, and they pull in the same direction: this is a creature built to attack into anything and walk away clean. The tap-on-attack neutralizes a blocker before damage is even assigned, flanking punishes whatever does step in front of it, and the untap-and-remove clause means a swing that goes badly simply ends with the Cavalier back upright, unharmed and untapped for the crackback. That last ability is the whole Gustcloak conceit: a fragile 2/2 frame given the option to retreat the instant combat turns sour, so the small body never has to commit to a fight it loses. The friction is that all of this is offense-only. Flanking does nothing on defense, the tap trigger fires only on attack, and the bail-out clause keys off being blocked, so the package goes inert the moment you need to hold the ground rather than take it. As a synthesis of the Gustcloak mechanic it is the most aggressive expression of the idea: where the cheaper members of the line just dodged removal-via-blocker, this one taps the answer down first, then evasively shrinks whatever is left, then refuses to die for the privilege. Five mana buys a poor blocker and a relentless, near-unkillable attacker, which is exactly the trade the design intends.