Niblis of the Urn

The attack trigger is the whole pitch: a flyer that taps a target creature every time it swings, neutralizing a would-be blocker so the ground stalls in your favor. That tap-on-attack template is white's take on an old idea, the evasive nuisance that clears a lane rather than killing anything, and it belongs to a cluster of Spirits built to reward swarming the skies. There is a real constraint baked into the timing: the tap fires on attack, not at will, so it is welded to the combat step. You cannot hold it open to tap down an attacker on defense or to defuse a crackback the way a vigilant tapper could; the only window is the one where you are already committing to the swing. As a 1/1 with flying, the body offers a single point of evasive damage and little else, a repeatable lockdown stapled to a creature whose worth is measured entirely by what is attacking beside it. That makes this a support piece by construction: it pins down a defender for the rest of your team to push through, opening the gap and trusting the board to punish it, rather than doing anything in a vacuum.