Keep building those decks and keep listing them on Mtg Goldfish, Deckstats, or Archidekt to help the data end up normalizing
Morphling was warping, no question, but creatures have gotten a lot better over the years Especially in pretend sets that never had to pass for Standard-legal
When this artifact has three or more plague counters on it, sacrifice it
And for some project which is small or repetitive or project that I have already done before (like a car, a truck, something known), I can have a good estimation of cost of parts
How will I know how to get my hands on Goblin Spymaster, Yidris, Maelstrom Wielder, or Primeval Protector
There are tons of other utility lands, so find some that have good synergy with you deck and decks theme