(It can't be blocked except by artifact creatures and/or creatures that share a color with it.) Whenever equipped creature attacks, until the end of defending player's next turn, that player gets two rad counters whenever they cast a spell
Worse, there are several commanders there on the page that don't appear to work at all with it, which is usually a red flag that folks are playing the card wrong
This Charizard ex features a Terastallized Shiny Charizard, which is considered by many to be one of the coolest Shiny Pokemon variants among all generations
Other cards, like Hedron Archive, are perfectly acceptable in a non-Green deck, but we have plenty of better alternatives at the same budget range, like Explosive Vegetation
Thats the basic idea, but of course, there are a few notes to keep in mind: You may only cast a spell whose total mana value is less than or equal to the discover number