mtg 2021 collector booster box Commander Masters loaded with nothing but the best MTG Tarkir: Dragonstorm | Play

As such, Summon: Choco/Mog look pretty good

Ariel Singing Mermaid comes to mind thanks to her Singer 7 ability allowing her to sing high-cost Songs and contribute a large chunk of the new Sing Together mechanic

While resolving Papalymo Totolymo's second ability, the next opponent in turn order who lost life this turn chooses a creature with the greatest power among creatures they control, then each other opponent who lost life this turn in turn order does the same

As for standout creatures, both G'raha Tia, Scion Reborn and Estinien Varlineau provide massive power for casting noncreature spells, which can easily help you close out the game with even just a few triggers