Been playing around with new FIN cards and found a fun, albeit fragile, infinite combo.
[[Terra, Magical Adept]] and [[The Apprentice's Folly]]
Its simple enough, transform Terra then drop Folly which makes a (non legendary) copy of Esper Terra which can enter with 3 lore counters added which triggers all the saga steps and allows more copies. Adding 3 also gives 4 counters total which then gives 2 mana of each colour after its made extra tokens and sacrifices itself (all tested against Sparky for viability)
So you can either generate infinite mana by adding 3 and sacrificing them (then Choco comet or some other X spell). Or by adding less lore counters make a bunch of 6/6 fliers (also in