[1] If this card is Normal or Special Summoned: You can take 1 "Sacred Beast" Field Spell or Continuous Spell/Trap and place it face-up on your field
You defeat someone when their life reaches 0, and win when you have no other opponents remaining
Try granting your Gishath Double Strike with cards like Duelists Heritage and Embercleave for a particularly devastating swing in your favor
You couldn't exactly overpower people in combat, because your creatures, as mental magicians, tended to be pretty weak
In this case, you can try cards like Scalding Viper or Magebane Lizard that punish them for casting cheap spells in general, like removal, counters, or cantrips
Its value stems largely from its historical significance and perfect PSA 10 grade