Its important to become familiar with your cards, obtain the necessary ones for your deck, practice regularly, and seek guidance from more seasoned players.
As far as we can infer, Ravensburger will be disallowing the use of the first four sets in the classic Core Constructed format
Something tells me that Jodah decks will be comprised entirely of ramp spells, color fixing, and ludicrously expensive spells of all descriptions
Do you feed the fish? is a question as old as Commander, and because of this infamy, many times the Mystic Remora player will sit back and watch as nothing happens for several turns until, eventually, the cumulative upkeep cost becomes too exhaustive, the Mystic Remora is sacrificed, and suddenly the game begins in earnest
This generates a loop of infinite turns, which, again, doesn't necessarily win the game, but it's a huge step towards doing so