After Milling four cards and making four Treasures with Dihada, Blinking Dihada with Flicker sets you up to reactivate the -3 ability, emptying your library
6 Pachirisu A High-Speed Charger Cards that help you get more Energy are great, especially when they can do so multiple times
Some cards have been banned from tournaments
Special mention to Tom that handle the problem brilliantly
These cards all have a similar format to the original Godzilla cards from Ikoria: Lair of Behemoths with the name of the original Magic: The Gathering card under the Universes Beyond name
Yuna, Rikku, and Paine from the Gullwings could have this baked into them as part of the Transform mechanic, where using Job Select cards, changing their types, or even killing enemy monsters gives them counters, and when enough are gathered, they can turn into their super forms