This set of three cards is known by many names: The Sacred Beasts, The Beast-Gods, The Three Phantasms, and The Three Phantom Demons
However, Fabled Passage is a strictly better version of Terramorphic Expanse and Evolving Wilds, two of the games most ubiquitous fetch lands
(It has their total power, total toughness, combined mana costs, all text boxes, names, art, and so on.) It Came from Planet Glurg copies exactly what was printed on the original creatures and nothing more (unless any of those creatures are copying something else or is a token
You can obtain the Toxel (1-Star rarity) card by opening Fantastical Parade from Fantastical Parade set
Cards with this rarity have a pull rate of 0%/0.714%/2.857% as the 1st-3rd/4th/5th card
Like most of the cards on the Top 10, the Sphere is card advantage for casual decks, no matter whether they are duels or multiplayer