Oh my goodness, they did it
In Kamigawa: Neon Dynasty, transforming Saga enchantments made their debut
As a seven-mana 3/3 with flying, it's safe to say that Murktide Regent is only good because of its abilities
Its mana pips are a bit restrictive to slot it into an ooze build since they tend to be green, but I like the symmetry of dishing out -1/-1 debuffs while gaining its own +1/+1 counters
This used to be different, but Magic fans found a way to exploit the rules, allowing costly, powerful spells like Tibalt, Cosmic Impostor, to be played for free
Some can take Energy from any type to power certain attacks, the Colorless Pokemon especially being good fits in many decks due to their Energy flexibility, but usually half your deck will need to be Energy cards to fuel the actions of your Pokemon