Abzan is built around an assumption that every threat can be answered either before it resolves or after
The card will have additional synergy in decks that dont care about their grave and otherwise want to recur gigantic creatures
Proxies: Acceptable Replacements (for casual play) If what you really want is a playable stand-into test a deck, play casually, or protect expensive originalsthen youre not looking for counterfeits
Essentially, if you open any Ancient Tomb in your Edge of Eternity pack, you're going to be happy
As for spells, Myrel's deck can focus mostly on removal like Path to Exile and tutor spells to get anthem enchantments, such as Idyllic Tutor
Prospective players may be wary, given the big changes coming to Standard, but there are still some very fun decks in the format