Its included over two-mana options, like Thought Vessel, because it also allows you to choose a creature type to give a static +1/+1 bonus , which can be make-or-break for the number of Allies included in the deck
Aside from that, the following cards mention oozes in their rules text, including a few token generators: Convert to Slime Gelatinous Genesis Corrupted Zendikon Gutter Grime March of the World Ooze Miming Slime Mystic Genesis Ooze Flux Ooze Garden Slime Against Humanity Slime Molding Gutter Grime is a strong enchantment for a typal build, but Slime Against Humanity is fun since it lets you break deckbuilding rules
Wizards and New Design Space These cards are testing new design space, which is good
For example, all of the original dual lands did not have price data attached when I downloaded the info from Scryfalls API
I predict that 44 will be a popular pick for the throwaway sticker sheet in this instance
Obscuring Haze: S The best fog in the game because its free, asymmetrical, and prevents all damage