The Amass token can be absurdly big since every time you trigger Amass, there is only one token where the Power/Toughness from Amass goes (minus copying the token).
Gates in Commander Gates in Commander Gates As Your EDH Mana Base A Guide Through Gates in Magic: The Gathering Author: Ben Guilfoyle This piece reframes Gates as more than draft taplandspositioning them as a legit budget mana base and a low-opportunity-cost alternate win condition that can slot into many Commander decks
Teferi, Time Raveler is the same way, as his passive power prevents players from casting instant-speed spells the moment he touches the table, preventing counterplay at a very early turn: as early as turn two if you can get some quick one-cost mana ramp out turn one
Mikaeus, the Unhallowed Part of the famous Mike and Trike combo with Triskelion, Mikaeus is another card you dont need to go infinite with to get some pretty extreme value from
New planeswalkers, new legendary creatures, and new spells of all kinds are going to find their way into your Commander decks in short order
Zellix, Sanity Flayer joins Background enchantment Haunted One to command this Horror deck based around milling opponents and generating Horror creature tokens
