So it makes a lot of sense for her Magic card mechanic to insert her DNA in the form of a +1/+1 counter that also transforms the creature into a mutant
You'll want to set up turns where Esper Terra generates ten mana with the last chapter, transforms back to Terra, Magical AdeptTerra, Magical Adept, and has haste from one of the several haste enchantments to immediately use six of that mana to transform back to Esper Terra for more copy shenanigans
Then, he can use his ability Cheer, which allows you to draw and card and add a counter to another creature when a creature with a counter attacks
If you "double" a creature's power more than once in a turn, each doubling effect applies independently
Its average price is about $200,000 - $300,000 .
If it's a creature card, you may turn it face up