Its an Overrun without the power buff
Featuring the X-form of Mega Charizard with a distinct gold border, it was the first time collectors saw the iconic dragon transform into its Fire/Dragon-type variant on a card
That way, you can set Flareon ex as your main attacker, while Leafeon exs ability Forest Breath feeds it an extra Grass Energy per turn
It filters your deck to find when you need it (and bin it when you don't), fills your graveyard for , attacks alongside the dragon to deal 20 damage (especially when combined with )
This card is a vanilla sacrifice-based creature that has its most value in Limited formats
Balancing the right number of Water Energy with Fighting Energy would be important, though, but thankfully neither use too much of a specific type