If you’re interested in playing the MetaZoo trading card game online with other players, you are able to do so via Tabletop Simulator (TTS).
Tabletop Simulator is available via Steam for USD$19.99 right here. It can only be played on PC, and you will need a free Steam account.
Subscribe to the mod right here. This is required to play.
To learn how to install and play MetaZoo on TTS, have a look at this helpful YouTube video released by Kevin Cote.
MORE ABOUT TABLETOP SIMULATOR:
Tabletop Simulator was developed and published by Berserk Games and initially released on June 5th, 2015.
In the words Berserk Games themselves:
Tabletop Simulator is the only simulator where you can let your aggression out by flipping the table! There are no rules to follow: just you, a physics sandbox, and your friends. Make your own online board games or play the thousands of community created mods. Unlimited gaming possibilities!Berserk Games