buy old mtg booster boxes Magic: The Gathering Vintage Repacks - 1 Rare Per Pack - Bonus Foils/mythics/planeswalkers Possible Mtg Vintage Booster Pack -

Its fun to have a bunch of boosters to draft with friends, or you can hang on to them for future Chaos Drafts

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

Card Name Mana Cost Type Legendary Creature Human Cleric Rarity Rare rules Text LifelinkWhenever you gain life, put a +1/+1 counter on Aerith Gainsborough.When Aerith Gainsborough dies, put X +1/+1 counters on each legendary creature you control, where X is the number of +1/+1 counters on Aerith Gainsborough

It simply uses that as a balancing mechanism while fueling the cast-from-exile gameplan