Phyrexian Debaser

The Carriers were Urza's Legacy's quietest experiment: a cycle of fliers built to die on demand, each one trading its own body for a delayed bit of value. This is the removal-flavored member, and the design logic is plain once you see what the sacrifice clause is doing. A creature that could shrink another by -2/-2 at instant speed would be a steal at four mana if it stuck around; the catch is that pulling the trigger consumes it, so you fire the ability exactly once. That self-sacrifice is the friction the rate is balanced against. What you actually buy is a flier that holds the air until the moment a -2/-2 matters, then converts itself into a removal spell as a parting gesture. The flexibility is real: you choose the timing, you choose the target, and a 2/2 evasive body is not nothing while you wait. But the price is that you never get to keep both halves. It is a creature pretending to be a removal spell, or a removal spell pretending to be a creature, depending on which half the board state asks for. The -2/-2 also dodges indestructibility and ignores regeneration in a way that flat damage cannot, which gives the effect a small edge against the toughness-light threats it is built to answer.