What to focus on when you are building your own MTG Arena deck
Pair Perdita, Devoted Mother with some 2 cost characters that have abilities trigger when they enter play like Pinocchio, Talkative Puppet and youve got yourself an effective little recursion engine
Sp Piloted by Peni Loxi: I actually see the best use case for this card being as a support piece is a Bant counters or Bant Enchantress deck, or at the helm of a weird Azorious counter deck (which, if you do this, rocks)
Since you were never instructed to shuffle your library, abilities that trigger whenever a player shuffles their library won't trigger
If a card has a gold swirl in the corner, it can be used as magical ink
This could be represented by her also getting a Final Fantasy: Through the Ages printing as a Partner commander, allowing her to be paired with either of them