If you think investing money in the stock market or an IRA is a sure thing in the long term, wait until I tell you about investing in MTG booster boxes
2 mana for an Equipment card that provides haste plus protection from targeted effects is already good, and the incredibly low Equip cost make both cards ideal for fast attacks that are difficult to answer
There are likely two practical ways for Narset to win, either by generating massive value and control using Planeswalkers (ideally some that can also attack or deal damage like Gideon Blackblade), or by drawing out your entire deck like Urza, Lord High Artificer using Enter the Infinite End Step While top-10 lists are always subjective, especially in an eternal format like Commander where players can have their choice from a buffet spread, ours is derived from the Tap & Sac teams collective playing experience
The most important distinction between snow and non-snow cards would be when it comes to mana
But a bulky fighter that refills your hand can still be a potent threat, especially when you skirt the restriction with cards like Brazen Borrower and Fire / Ice to interact in the early turns