When it comes to card games, rarity is a good indicator of the designers letting us know what to look out for
That stack of rewards is also translated into Magic: The Gathering, where killing the Ancient Adamantoise will earn you 10 treasure tokens, each of which can be spent for a point of manathough they enter tapped so you can't use them straight away
Use discard, mill, and other effects to fill your graveyard, then rise form ashes in triumph
Another is an Ariel after she has lost her voice and cant sing songs at all
You might be wondering, how in the world did they take one of the most powerful green cards of all-time, move it to blue, and somehow knock a mana off while also giving it flash
It's very easy to cast with the hybrid mana symbols, and the 2/5 statline is made up for by the sweet abilities