Here, Jakob explains that the card can shut down the Ener-D at any moment, hinting that the card could have prevented the creation of Synchro Monsters in the first place
Kiora box set contains 10 rare cards and 2 mythic rare
You can exile it and bring it back to prevent your foe from using it

If you activate this card when Summoning "The Six Samurai - Zanji," you'll have 2 "Six Samurai" monsters on the field, which will let you Special Summon "Great Shogun Shien." Since "Copy Knight" has become a "Six Samurai" monster, you can also use it to protect "Great Shogun Shien." List of Cards Included Great Shogun Shien Effect Elemental HERO Neos Alius Gemini/Effect Super Conductor Tyranno Effect Enishi, Shien's Chancellor Special Summon/Effect The Immortal Bushi Effect Tiki Curse Trap Fire Formation - Gyokkou Spell Harpie Dancer Effect Powerful Rebirth Trap Parallel Twister Spell Cyber Harpie Lady Effect Blindly Loyal Goblin Effect Elemental HERO Dark Neos Fusion/Effect Neo-Spacian Dark Panther Effect Sabersaurus Normal The Six Samurai - Zanji Effect The Six Samurai - Yaichi Effect The Six Samurai - Irou Effect Shien's Footsoldier Effect Shien's Castle of Mist Spell Hand of the Six Samurai Effect Fire King Avatar Barong Effect Hazy Flame Peryton Effect Elemental HERO Neos Knight Fusion/Effect The Six Samurai - Yariza Effect The Six Samurai - Nisashi Effect The Six Samurai - Kamon Effect Legendary Ebon Steed Spell Swiftstrike Armor Trap Hero's Rule 2 Trap Hero Mask Spell Legacy of a HERO Spell Six Strike - Triple Impact Spell Shien's Scheme Trap Copy Knight Trap Three of a Kind Trap Hazy Flame Cerbereus Effect Hazy Glory Trap Hazy Flame Mantikor Effect Temple of the Mind's Eye Spell

Haste I, II, III Choose one at random Combine Powers
A Continuous Spell, it places a Crystal Counter on itself each time a Crystal Beast is sent to the spell/trap zone