incorrect rules interactions
During a quick draft match on Arena I crewed a Midnight Mangler and then equipped The Aetherspark to it. Since the vehicle is an artifact creature during other players' turns, I had assumed there would be no point at which it would stop being a creature until my next turn, but the equipment still fell off at end of turn.
2
votes
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Rezzahan#77802
commented
Your vehicle reverted back to just an artifact in the cleanup step, where all "this turn" effects end. Thus The Aetherspark was illegally attached, so the check of state based actions in the cleanup step made it fall of.