pokemon sword and shield chase cards Got the only I wanted from Battle Styles : r/PokeInvesting Top 30 Most Expensive cards

First-edition cards are marked with a small 1 inside a circle, usually located near the bottom left of the cards artwork

That said, 7 mana is still a very big ask for a color that likes to keep mana up for counterspells and other instant speed tricks, so while you can play it in the mid game once you have access to that mana, its usually better to wait until you can have 9 or more mana so you arent putting the shields down for a full turn cycle simply to board wipe

This could be benched Pokemon, it could be their active Pokemon

Also, it required lands to trigger it and without Life from the Loam, its not trivial to get those consistently

Dazzling Sphinx