mtg 2021 collector booster box Commander Masters Play in style Wizards of The Coast Magic:

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

Big Mother Mouser | 4 Colorless Mana Artifact Creature Robot This creature enters with two +1/+1 counters on it

Getting to run a busted utility land of your choice as a second hidden Commander is excellent stuff

Overall) - Ob Nixilis Reignited with a Shoutout to Vraska, Betrayal's Sting Everyone's favorite Commander Classic planeswalkers

As for Pioneer, multicolor Greasefang, Okiba Boss shells sometimes play Mana Confluence already

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