If you return an Aura this way, you choose what the Aura will enchant just before it enters, but you can't choose any permanent cards that will enter at the same time as that Aura
In practice, blue decks tend to be very good at blocking creature removal, and the generous wording on the aura means you dont need to risk the enchanted creature in combat to get the benefits
Theres Tron and maybe other ways to ramp better to big Eldrazi, but that seems decent and its colorless
On its own, The Library A Gift for Belle can be quite frustrating to deal with if opponents dont have easy Location removal
COLLECT SPECIAL TREATMENT CARDSEach deck also comes with a 2-card Collector Booster Sample Pack containing 2 alt-border cards from the The Lost Caverns of Ixalan set, including 1 Rare or Mythic Rare and at least 1 Traditional Foil card
Gysahl Greens Rarity: Common TYPE: Sorcery SUBTYPE: - CMC: 2 Mana cost: USD: $0.12 EUR: 0.06 TIX: 0.03 EDHREC RANK: 9611 Create a 2/2 green Bird creature token with "Whenever a land you control enters, this token gets +1/+0 until end of turn." Flashback (You may cast this card from your graveyard for its flashback cost