Creatures you control gain protection from the chosen color until end of turn
Putting back a Kor Spiritdancer + Sage's Reverie or, well, basically any two cards from the deck back into play is great value for a 5cmc sorcery
At a cost of seven ink, she isn't cheap to deploy, but combining her Shift 5 ability with cheap cards like Clarabelle - Clumsy Guest can make things happen a lot faster
Two mana for an extra turn with no downside is some of the best value you can find, but with a little deck manipulation, you could cast it as an instant to take a turn out of order , too
Lands arent even safe considering how many awesome legendary land cycles have entered the format
Tempo vs inevitability is a matter of how your deck plays