Wipe the entire board with just a Blazing Volley or Tectonic Hazard
The trick is choosing intentionally, not accidentally
Used historically to shut down Splinter Twin and Kiki-Jiki in Modern, Linvala has long been a powerful sideboard option against combo
Some would also argue that a good token commander can always get by without the ability to generate tokens if it has a strong enough payoff like Purphoros, God of the Forge, and theres plenty of evidence that aligns with that school of thought
Zilortha, Apex of Ikoria is also an 8/8 themselves, making them one of the biggest Creatures attached to a battle, especially as Invasion of Ikoria can be cast for as low as three mana
More often than not these decks are your traditional mono-green Elf strategies while splashing black for a few specific cards