Rimewind Taskmage

Repeatable tapping is one of blue's oldest tricks, but it almost never comes for free, and the price here is paid in deckbuilding rather than in mana. Two payments fire the ability (a mana plus the creature's own tap), but the real toll sits in the permission clause: nothing happens at all until you have assembled a critical mass of snow permanents. That gate is the entire design argument. Tapping or untapping a target at instant speed is genuinely flexible work: lock down a blocker, untap a land for a burst of mana, tap down a potential blocker on your own turn. Handed over without conditions, that ability would be a generic blue staple every deck in the color would run on rate alone. Routing it through a snow threshold converts the same effect into a payoff that only switches on inside a dedicated cold-themed shell, the kind built on snow-covered lands and the supporting pieces from that era. It is a deliberate trade of universality for theme commitment: cheap and repeatable precisely because the build-around requirement is what keeps it from being universal. The 1/2 body is incidental, a perch for the engine while the deck assembles enough snow to turn it live. Outside that scaffolding it does nothing; inside it, the per-activation cost is low enough to grind a board into stasis one permanent at a time.