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It might seem with this in mind that Miscalculation is the more potent card for this role within the cube as it does much the same thing but with a built in card filter mechanism

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.) As long as Aetherwing is still an artifact, its ability will count Aetherwing itself

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Although not quite two mana to draw three cards as you have play another card costing you some mana and netting you one less card overall it is still a potent card draw spell