Yes, you can collect cards for their value, real or perceived, and their scarcity and out of the very human compulsion to tick off tasks and complete a collection alone
You can obtain the Hau (2-Stars rarity) card by opening Eevee Grove from Eevee Grove set
The card often shows an obvious rainbow shine instead of subtle sparkles
Prosperous Innkeeper and Tireless Provisioner produce tokens, Academy Manufactor multiplies them, and then Hazel's Brewmaster gives those Food tokens strange and mysterious powers (beyond merely gaining life, of course)
They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms
These synergies between the cards are at the core of how you play MtG