I hope that someone corrects me and breaks this era though
Mahadi, Emporium Master consistently rewards you for either killing or sacrificing creatures by creating tokens, allowing you to ramp in a color pair that can sometimes struggle with ramping and mana
SE Secret Rare Dragon Shrine X SPELL Send 1 Dragon monster from your Deck to the GY, then, if that monster in your GY is a Dragon Normal Monster, you can send 1 more Dragon monster from your Deck to the GY
The build leans heavily into recursion and self-mill, with support from zombie synergies, token generators, and even a few spicy dragons like Dragonlord Silumgar
SR Super Rare Gishki Shadow X WATER Level 4 [ Sea SerpentEffect ] ATK 1200 DEF 1000 If you Ritual Summon exactly 1 WATER Ritual Monster with a card effect that requires use of monsters, this card can be used as the entire requirement
These can all be purchased with Venusaur Event Shop Tickets, available again through bonus Wonder Picks and through the wealth of new missions added