japanese croconaw pokemon card (JAPANESE) - Terastal Fest ex Singles Pokemon TCG CROCONAW No.159 JAPANESE

That alone makes this card playable in any Emerald/Amethyst Deck

While this particular card isn't worth anywhere near as much as the number one spot on this list, it still sells for a very respectable amount

Its best outings were arguably in the Rakdos version of the deck, with Black-Red Dragons taking GP Prague 2015

That means your opponent gets a free turn to bash you in the face and develop their battlefield

Thrasios, Triton Hero (one of Magic's best merfolks) and Kydele, Chosen of Kruphix give you access to ramp thanks to their green color identity and several useful spells, including some coin flip ones, thanks to their blue part