reasoning yugioh card Yu-Gi-Oh! BP02-EN139 – All cards will be carefully packed for safe transit Reasoning - Yugipedia

For a 60-card deck, you should play at least fifteen or sixteen lands that produce that color (seventeen or eighteen to be safe)

Black Bolt and White Flare sealed products are also on TCGPlayer, although they're all over MSRP which is to be expected on the secondary collectors market right now

Because of mana limitations, you may be unable to play the exiled card before another one is exiled and if you do, you may be prioritizing the exiled card over one in your hand, making this a highly disruptive card for this Final Fantasy deck

The trade-off for this is that subsequent Equip costs are more expensive than you would typically find elsewhere