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Cursed Eldland is the best for that since it searches Eldlich (extender for this specific version of deck) or Golden Land (Huaqero/Conq), it has GY eff to send Eldlich/Golden Land, super good because Golden Land GY eff can set Eldlixir (Scarlet) from deck

Flair allows players to decorate their cards with sparkles, flames, and other fun visuals that emerge from the card when it's displayed in a showcase or binder, or played in battle

I can at least answer the latter with a yes

I kept it in a case after that

Its a bit narrower since it doesnt help get lands back after you use them, but it sets you up so well with Mesmeric Orb or Hedron Crab that I cant bring myself to cut it