Im a massive fan of Convoke in general, as it allows creature decks a flexibility in tempo you normally dont see in formats without free spells
Waterbending Lesson

Animus of Predation Avatar Kyoshi, Earthbender Awakened Skyclave Awakening of Vitu-Ghazi Axebane Ferox Badgermole Badgermole Cub Balustrade Wurm Beastcaller Savant Brave the Wilds Bumi's Feast Lecture Bumi, Eclectic Earthbender Bumi, King of Three Trials Caldaia Guardian Caldaia Strongarm Centaur Chieftain Cliffrunner Behemoth Colossal Growth Concordant Crossroads Cosmium Confluence Cracked Earth Technique Cragplate Baloth Craterhoof Behemoth Crocodile of the Crossing Demolisher Spawn Desert Warfare Destiny Spinner Dire Wolf Prowler Disturbed Slumber Druid Class Durkwood Baloth Earth Kingdom General Earth Rumble Earthbending Lesson Earthbending Student Earthen Ally Earthen Arms Elemental Uprising Ellywick Tumblestrum Embodiment of Insight End-Raze Forerunners Fin-Clade Fugitives Finale of Devastation Flinthoof Boar Frenzied Baloth Froghemoth Fungal Behemoth Gaea's Revenge Giant Dustwasp Glacier Godmaw Glissa's Retriever Goldvein Hydra Golgari Raiders Groundbreaker Gruul Beastmaster Gruul Scrapper Harmonious Emergence Haru, Hidden Talent Hedge Whisperer Hellcat, Undying Vigilante Hercules, Prince of Power Hit-Monkey Howling Galefang Hunting Wilds Instill Energy Interplanar Brushwagg (playtest) Jubilation Kamahl's Will Kamahl, Heart of Krosa Karvanista, Loyal Lupari Karvanista, Loyal Lupari Leatherhead, Iron Gator

This can be dove via +1/+1 counters or the traditional static anthem ability
Theyre basic decks that can help you get started in your journey to be the Pokmon card master
All the possible combinations are based around a roster of core decklists, however, which are also handily laid out in the blog post, along with a table explaining the 20 cards from the tabletop set being swapped for alternatives in MTG Arena, to account for the slightly different metas