Against decks that use their creatures for mana, or rely on tap abilities, this card can wipe their board and shut them off for a turn, and its not a small number of creatures that have relevant tap abilities
Trade allows you to thin your hand (and by extension, your deck), all while drawing more cards to help you find the pieces you need to execute your decks winning strategy
It also has the 130 damage ability Max Phantom, which apart from dealing the damage, also deals an additional damage counter of five to the opponents benched Pokmon, in any way that the player desires.
Glacian is a little expensive for the ability, but it digs deep to find powerful finishers like Rise and Shine and Brudiclad, Telchor Engineer to turn Toggos Rocks into a genuine win condition
From the beloved Umbreon VMAX down to another of the most valuable Eeveelution cards ever, the best VMAX cards are packed with expensive options featuring the most popular Pokemon