Breezekeeper

Phasing was Visions' attempt to model intangibility cleanly, without the erratum-heavy "can't be targeted" wording earlier cards leaned on, and this Djinn is among the keyword's clearest early statements. The design logic is a vanishing-act tempo loop: a 4/4 flier is a real clock for four mana, but every other untap step it blinks out of existence, off the board, untargetable, unable to block, and unable to be blocked. Phasing is the structural discipline that prices the oversized body: you are paying for an evasive beater that is only half-available, alternating between a hard-to-answer threat and a complete non-presence. That on-off cadence is the whole identity. Crucially, the protection is incidental and schedule-bound, not chosen. Phasing fires automatically during the untap step rather than at instant speed, so the creature is fully exposed to removal on every turn it is phased in; an opponent simply waits out the absent turn and kills it when it returns. What it reliably dodges is a sorcery-speed sweeper timed for its phased-out window, and it can never be chump-attacked into while gone. In exchange it surrenders the tempo of a creature that holds the ground every turn. Phasing never became a load-bearing mechanic and largely retreated to flavor curiosities and the occasional reprint, but Breezekeeper remains a clean early demonstration of what the keyword was trying to do: turn a creature into something that exists on a schedule rather than a presence you can lean on.