Otherwise, jamming more draw is likely the best way to improve your deck
Right now I have it in so that I have something good to return with The Mending of Dominaria, but maybe a better plan is to use Bone Dragon and not The Mending of Dominaria, either just relying on Devious Cover-Up or possibly using Bone Dragon to sculpt your graveyard for Gaeas Blessing, though that sounds like the kind of late-game nonsense that will never actually come up, whereas Gaeas Blessing messing up your Bone Dragon will come up
Olivia, Crimson Bride [Best Vampire Commander for Reanimation] As a Vampire Commander with exceptional reanimation tools, reanimating fallen allies is the name of the game with Olivias Crimson Bride variant
I can see myself running a version of this that costs
You can repeat this process for each card that you want to proxy
You adapt without losing yourself like water, you find a path through every obstacle without needing to smash through it