Historically, the play rate (how much of the metagame share a deck has) of those decks has been low enough that it hasn't been an issue
Making 1/1 lifelinkers is a reasonable trade for the lower starting loyalty as you grow your life total and Sorins loyalty simultaneously, even if all you are doing is chump blocking every turn
Nov 6, 2019 Epic Experiment - Happily Ever After Can we win with Happily Ever After
Emerald Lorcana cards tend to prioritise defence and effects over strength, which you could choose to balance by combining it with a more challenge-focused colour such as ruby or support with the protective powers of amber or amethyst
One of the best perks of Decidueye is that not only does it have a hefty amount of health, but it also can do a moderate amount of damage per turn
This commander shines with ETB card draw effects, and removal like Oblivion Ring that now exiles two permanents