Boreal Outride is great as it also adds a +1/+1 counter to non-Snow creatures just as long as youve spent some Snow mana to cast its coloured part of its casting cost
Blightsteel Colossus is twice as hard to remove with its ability to shuffle back into your library if it would enter the graveyard from anywhere
Let me spotlight one in particular: Three baby Pokemon, the cutest little dudes in the universe, dancing in a field at night, singing and having fun over a falling star
Many players want their basic lands to match, and because Secret Lair drops are limited to 10 per person, if you wanted to play a deck that has a bunch of basic lands, you'll probably need to pick up additional copies of the Secret Lair snow-covered basics to complete your deck
Keiga, the Tide Star Another one that dominated Standard when legal is Keiga
However, there are better options available such as Path to Exile or Swords to Plowshares, which provide more efficient removal at the same mana cost