With 30
From easiest to hardest, these are: Common Uncommon Rare Super Rare Legendary Epic Enchanted Iconic Every card is a work of art, but the harder the card is to find, the more spectacular the card design and elements are

The Deck continuously Special Summons from the Deck, so its able to make full use of Doppelwarrior, allowing you to repeatedly Synchro Summon, with the ultimate aim of Cosmic Blazar Dragon Deck 2: Fudo Yusei Style Junk Deck Featuring Junk Warrior 1 Quickdraw Synchron 3 Junk Synchron 3 Junk Converter 3 Doppelwarrior 2 Rush Warrior 2 Jet Synchron 3 Effect Veiler 1 Boost Warrior 1 Infernoble Knight Renaud 3 Scrap Fist 1 Synchro Chase 3 Tuning 1 Reinforcement of the Army 1 Foolish Burial 1 Infernoble Arms Hauteclere 1 Living Fossil 2 Scrap-Iron Scrarecrow 3 The Phantom Knights of Lost Vambrace 1 Paleozoic Dinomischus 2 Paleozoic Olenoides 2 Paleozoic Canadia 1 Shooting Quasar Dragon 1 Satellite Warrior 1 Shooting Star Dragon 1 Stardust Dragon 1 Nitro Warrior 1 Stardust Charge Warrior 2 Junk Warrior 1 Junk Speeder 1 Accel Synchron 1 Armory Arm 1 Martial Metal Marcher 1 Formula Synchron 1 Isolde, Two Tales of the Noble Knights 1 Crystron Halqifibrax Summary Notes: Make use of Junk Synchron with Doppelwarrior to bring out Junk Warrior as well as Synchro Monsters you need depending on the situation

Skeledirge ex #272 Pokemon Paldea Evolved Keep track of your collection value over time
With its more recent printing in the Stellar Crown set, its interesting to go back through the cards history and take a look at the collection
Turning all your artifacts into Mox Sapphire and coming into play with a massive artifact creature is great, but its activated ability gives you an outlet for all that surplus mana