If you have Ariel Determined Mermaid and Seldom All They Seem or One Last Hope, that sets up a nice sing-and-draw combo
Adaptive Sporesinger Agent Frank Horrigan Atomize Blightbelly Rat Bloated Contaminator Bloom Hulk Cacophony Scamp Cankerbloom Carnivorous Canopy Contagious Vorrac Contaminant Grafter Copper Longlegs Courage in Crisis Drown in Ichor Evolution Sage Expand the Sphere Grim Affliction Gulping Scraptrap High Perfect Morcant Karn's Bastion Park Heights Maverick Phyrexian Seedling (playtest) Plaguemaw Beast Planewide Celebration Pollenbright Druid Scheming Aspirant Smell Fear Spread the Sickness Thirsting Roots Tromell, Seymour's Butler Unnatural Restoration Urban Daggertooth Vat Emergence Venomous Brutalizer Volt Charge Vraska, Betrayal's Sting Whisper of the Dross Yawgmoth, Thran Physician Yawgmoth, Thran Physician
Rarity/Origin: Parallel/collector variants with low pop in high grade
So, why is Jeskai's "tokenize anything" theme so exciting
No need to memorize set symbols or search endlessly, just scan and see
Serpent of Yawning Depth's ability is one-sided, meaning only you get the benefits from it