Only diff is there can be only one of each kind on the field at once, and their effects correlate with what their character deals with in the show (Twilight: Magic and Traps, Rarity: Equips, Fluttershy: Bunny Tokens, Rainbow Dash: Double, Direct Attacks, Pinkie Pie: Shuffle, Recycle Cards, Applejack: Summon, Boost ATK/DEF, Gain ATK/DEF) And their "familiars" aid in their roles, like they do in the show (Spike: Get Magic/Traps, Opal: Equip, Lower Opp
720.3c If an Omen spell is copied, the copy is also an Omen
her positive loyalty ability gives one target creature -2/-1 until the beginning of her controller's next turn
The Aura / Equipment Core
Here is one possible reconstruction, with the three repeated segments underlined
attach this card to it as an Xyz Material