My personal take is you could proxy but not use counterfeit. The proxy should be obvious. I don't use proxies personally. But i'd want to know you are playing one.
Less cards means more streamlined and more super competitive decks. "Subpar" cards are more than just filler. They represent the surprise factor in edh where your "subpar" cards ended up winning the game or made the game more interesting.
Wort the Raidmother. Play different decks and choose either red or green. If you're green copy stuff like mwonvuli acid moss or plow under. If red copy goblin token stuff.
Samut grants everything you control haste. Its - ability grants another instance of haste. The templating is just wrong. I don't think development would let that kind of mistake happen.
I've played Karador, Ghost Chieftain since it came out. And newish players have always asked me, why not play partner commanders. I always want to play decks that make complicated boardstates. Like Ghave without the infinite combos, with different +1/+1 counters on different tokens. Its funny keeping track of all those dice, tokens and what else.
Viscera Seer
Phyrexian/Ashnod's/Dementia Altar
Sadistic Hypnotist
Greater Good
Yawgmoth
Phyrexian Tower
High Market
Miren
Cabal Therapist
Unbound Flourishing
Force of Vigor
Good-fortune Unicorn
Sword of Truth and Justice
Samut grants everything you control haste. Its - ability grants another instance of haste. The templating is just wrong. I don't think development would let that kind of mistake happen.