This new version of Elves is great fun and brings a new angle from which to attack the Modern metagame, with a more aggressive bent
Yes, Rith makes you then pay mana, but it introduced a design vein we revisit often, usually without the mana payment
As a result, there were several subdivisions of each rarity, varying between products
These secondary effects can generate enormous value and deal massive damage to your opponents
Marauding Mako Red Flourishing Fox can be an interesting Constructed playable if cycling is ever a deck in Standard, or to add more redundancy to other cycling decks in older formats
Looking more closely at the last ability and with consideration to the new legends that can be the commanders for the deck, this could easily get to copy something 2-3 times if your commander just doesnt stick around