The promo M Aerodactyl looks like it has potential especially if used with special fighting energy. But ten to every benched is a pretty steep price to pay. Tell me if you think it would be worth using. Here are links to M Aerodactyl and Aerodactyl EX:
M Aerodactyl: http://www.trollandtoad.com/p1087596.html
Aerodactyl EX: http://www.trollandtoad.com/p1087595.html
By the way it does have a spirit link.