mtg cards 2020 Magic: The Gathering Core Set (M20) Bundle | 10 Booster Packs | Accessories Devourer of the Free Magic the Gathering - Ikoria

Underground Sea Rob Alexander Underground Sea is another card with artwork from Rob Alexander that depicts a mind-boggling design of a sea beneath the ocean

UPDATE: Added more information provided by Chris Cao on Weekly MTG.

It is a consistent, resilient, and highly interactive machine

Font of Agonies cashes in your life payments for blood after a few turns

It also provides useful card advantage, and due to the cheap nature of most Bear creatures, it's somewhat easy to fire off a flurry of Bears from the top of your library

Cenote Scouts potential to revitalize the Merfolk archetype in Standard and/or Pioneer earns it a spot on the list