Jin-Gitaxias, Progress Tyrant also offers a layer of protection, as it requires your opponents to cast two spells if they don't want it countered
and a new site called CardNexus recently launched working in both
You can recruit monsters or buddies to help you in the battle, making it feel like Pokmon with a dash of Final Fantasy chaos

Abigale, Poet Laureate Agent of the Fates Akroan Conscriptor Akroan Crusader Akroan Line Breaker Akroan Skyguard Anax and Cymede Anax and Cymede & Kynaios and Tiro (playtest) Anthousa, Setessan Hero Arena Athlete Artisan of Forms Ashiok's Adept Battlefield Thaumaturge Battlewise Hoplite Bloodcrazed Hoplite Brigone, Soldier of Meletis Centaur Battlemaster Chorus of the Tides Cleon, Merry Champion Dawnbringer Charioteers Elite Skirmisher Fabled Hero Favored Hoplite Hero of Iroas Hero of Leina Tower Labyrinth Champion Lagonna-Band Trailblazer Leonin Iconoclast Meletis Astronomer Mindreaver Phalanx Leader Pheres-Band Thunderhoof Rosnakht, Heir of Rohgahh Sage of Hours Satyr Hoplite Setessan Battle Priest Setessan Oathsworn Staunch-Hearted Warrior Tethmos High Priest Tormented Hero Triton Cavalry Triton Fortune Hunter Vanguard of Brimaz War-Wing Siren Wavecrash Triton Weird Angel Flame Wingsteed Rider

Many competitive decks are filled with draw power, consistency boosters, and several copies of the same card
In Standard, this probably applies when you Turn 3 transform your Concealing Curtains and dont see an Esikas Chariot against Mono-Green Aggro