Breath of the Sleepless Giving your spirits flash is cool in a Rattlechains style deck, but a 4-mana enchantment that does only this doesnt seem fast enough, even in Commander
This can get rid of Spells and Traps already on the field, or get rid of Monsters
Hedron Detonator Because Reckless Fireweaver and Ingenious Artillerist needed help in a treasure-heavy meta, we now have Hedron Detonator
The effect itself is powerful with the defensive power of the Blue-Eyed class, but it is superlative and it is slow to reverse, so it takes time to activate
I always use the Dueling Nexus deck builder to build my decks I always use the shuffle button to test my opening hands before I test the deck in a duel.
[71] Deck[] Kite plays a "Photon" Deck [4] , focused on swarming the field with LIGHT-Attribute monsters, which he can then use to Summon his "Number" monsters and/or his ace card, "Galaxy-Eyes Photon Dragon"