(In most cases, this set of cards will contain just one card.) The Creation of Avacyn's second and third chapter abilities refer only to those cards, not those of any other The Creation of Avacyn
So while having those upgraded abilities is great, there is one little downside you'll have to deal with when it comes to Dark Tutelage
Like most Magic: The Gathering cards, the value of Loyal Unicorn depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (The List)
When the mana is available Deed also finds its way into control decks, giving Oath of Druids players a way out of almost any jam while often leaving their chosen creature intact, and in the old days serving as an unexpected Tutor target that could turn the game around out of nowhere
Jumpstart -designed rares, uncommons, and commons can be found in non-foil and traditional foil in Set Boosters, with only non-foil extended-art rares found in Collector Boosters