{X}, {T}: Search your library for a creature card with mana value X or less, reveal it, put it into your hand, then shuffle.
{2}{W}
Search for Glory
Snow Sorcery
Search your library for a snow permanent card, a legendary card, or a Saga card, reveal it, put it into your hand, then shuffle. You gain 1 life for each {S} spent to cast this spell. ({S} is mana from a snow source.)
{4}
Skyship Weatherlight
Legendary Artifact
When Skyship Weatherlight enters the battlefield, search your library for any number of artifact and/or creature cards, exile them, then shuffle.
{4}, {T}: Choose a card at random that was exiled with Skyship Weatherlight. Put that card into its owner's hand.