Sunset Revelry is already finding a home in defensively slanted white decks, and I expect that to be the case for a while
Master's Guidance Master's Guidance at its base is level 3 of Hunter's Talent and consistently better than level 1 of Innkeeper's Talent
Combat Celebrant may be weak in combat, but it can be exerted to gain another combat step, which is great for combo decks, hence its $13 price
Aetherdrift Aetherdrift play boosters is a tough one, because just like a race, there's only one winner and if you have 10 guilds racing like this set, nine losers
Animar is a three-mana green, blue and red 1/1 that has protection from white and black
Build up a strong enough board presence, or get your opponent low enough with chip damage, and you can create a game state where your opponent can't even kill your creatures without risking death themselves