Competitive Yu-Gi-Oh You need to keep up with the current metagame if you want to play in Yu-Gi-Oh tournaments, which means updating your deck at least every year even though the format never rotates
If youre looking to build a Faerie Typal deck, however, then youd be better off looking at some of the other options below
Gontis Aether Heart generates extra energy if we need it, and eventually can be cashed in to take an extra turn
She's uncommon, four-drop, Selesnya legendary but hybrid and I didn't run Green but Esper
8) If yes to 1 or 4, what is the change of each of the relevant threshold cards
7 K'rrik, Son Of Yawgmoth Since in a Lifegain deck you'll be gaining a ton of Life, K'rrik, Son Of Yawgmoth turns all of that value into a mana source you can use