Neos Deck 2020 this time including Mystic Mine one of the most unfair card in the current Meta
This deck is more of a Pure Build of Neos but with a Single card being Neo Space Connector can lead to Setup Mystic Mine.
Neo Space Connector - NS Aqua Dolphin - Isolde(use effect to add either E HERO Neos or Neo Space Connector) - Infernoble Knight Renaud(SS from Isolde) - Favorite Hero(to hand) - Link to Predaplant Verte Anaconda(use effect to activate Neos Fusion to summon Brave Neos or Rainbow Neos it depends on which one you need)
If your opening hand with Neo Space Connector and Miracle Contact you can lead to an OTK using the steps above but add E HERO Neos to hand if you dont already to setup Elemental HERO Brave Neos equipped with Favorite Hero Rainbow Neos and Verte Anaconda tribute Verte with Rainbow Neos effect wipe your opponents monsters and activate Neo Space from deck using Favorite Hero both your remaining monsters will have at least 5000 ATK each with no monsters on your opponents field. This combo is pulled off by only using 2 cards and you still have 4 other cards