Legality depends on the tournament format -- Jecht, Reluctant Guardian // Braska's Final Aeon can be legal in some formats and banned or restricted in others
But the market seems more investment and business oriented rather than hobby/collecting oriented. Advertisement Gabe Horvath of Coast Cards in Sugarloaf, Pa., set up at the March Madness show in White Plains, N.Y., selling Pokmon/TCG, vintage sports and modern sports at his multiple tables
Eevee Heroes is the most valuable modern Japanese set overall, with two cards from this single set appearing in this top 10 plus Glaceon, Leafeon, and other Eeveelutions commanding $600$725 just outside the list
After combat, you could use the Reconfigure ability to unattach Rabbit Battery, leaving it untapped and ready to block during your opponent's turn
Limited in all its forms is very different from the Constructed formats, as part of the skill of playing Limited is in the construction of a deck under the specific constraints of the format