You were never cheated out of your complimentary Bakugan selection. Altair was the first Mechanical Bakugan, and was the most efficient model at the time. In time, even Cyborg Helios will be outmatched by a stronger Mechanical Pyrus.
Ventus Altair (Guardian), Fly Beetle, Atmos, and Atchibee returned for 6,250 BP.
Typhoon Chafe, Spinal Saucer, Mega Shield, Thunder Fire, Aura Cannon, Hydrant Cannon, Thunder Booster, and Shock Cannon Ability Cards returned for 9,500 BP.
Refund total is 15,750 BP.
Anything else?