You can't add Snow-Covered Wastes to your card pool in the same way that you can add other basic lands
How Do I Build Double Faced Cards Into My Deck
Smuggler's Share One of the best white 'catch up' cards, Smuggler's Share is a bit of a risky card to pop in your deck, because its strength is going to vary depending on what the other players at your Commander table are doing
Cats Creatures (28) 4 Ajani's Pridemate 4 Sacred Cat 4 Regal Caracal 4 Adorned Pouncer 4 Pride Sovereign 4 Leonin Vanguard 4 Leonin Warleader Lands (24) Spells (8) ( A version of this deck went 5-0 in a Magic Online league
In all honesty, this could take that grindy board spot for us over things like Nissa , Gideon, Ally of Zendikar etc
Theres a reasonable case for it being higher, however, particularly given the growing number of potential combos with it that dont just rely on other broken cards to work