I hate to be constantly coming down on the side of "generically good", but until we're giving out points for somehow making skinless, multi-legged critters cute and functional, I think this one has to go to Soul-Guide LanternSoul-Guide Lantern and artifacts
The green and blue combination gives your deck a touch of sophistication and power, the Simic way of constant evolution and improvement
If the card is playable in more formats, then the value will be higher as it crosses multiple playing groups
The first is called Electromark and takes two energies, one electric, and one colorless and allows you to put a Shock-wave counter on any of your opponent's Pokemon
Land Crush is its only damaging move and it deals a respectable 80 damage for 2 Energy, but the real magic with Aerodactyl ex comes from its ability, Primeval Law
Instead of including all available Grizzly BearsGrizzly Bears variants, we're down to just 15 Bears and a few changelings