Secret Sword, Lethal Formation/Tips

Of all the known impacts of Katana World, this might be the most important. This card is relatively cheap and allows you to search your deck for another Hidden Blade impact to serve as a counter. The other hidden blades seem to be basic yet power counter spells, each one best for a certain situation: If you plan to make hidden blades part of your strategy, you should have 3 or 4 of this card in your deck.
 * Star Style is good for when you're dealing with weapon users like Danger World.
 * Star Crush works well on spell users like Magic World specialists.
 * Moon Fang is a good card for those with heavy impacts like Dragon World.