In Sealed, you will be getting at minimum six Snow Lands, but they could be of any colour and most likely not the colour combination that you will build your deck with
A lot of artifact strategies rely on cheap artifacts to get rolling, so playing Meltdown for 2 mana and wiping out multiple cards on an opposing player's board is very reasonable, sometimes bordering on game-winning
Hoard-Smelter Dragon Destroys artifacts and grows stronger in the process
She becomes a precision tool rather than a repetitive value engine, making each deployment meaningful and impactful
The one downside is this card can be removed easily
Morph isnt particularly strong and doesnt quest for much, but it's cheap, only costing two ink, and since it can come down early, you can set up some great shift plays just a few turns later