mtg commander fun decks Why Unconventional Commanders Can Be Way More This is the most fun

Flame War

Of course, Jumbo Cactuar will have a big ol target on its spikey back as soon as it hits the battlefield, so its worth attaching indestructible or hexproof to it to prevent it from reaching an early grave

Value Cards Riku of Two Reflections Magus of the Vineyard Animar, Soul of Elements Edric, Spymaster of Trest Hydra Omnivore Trench Gorger Garruk Wildspeaker Collective Voyage Ruination Lightning Greaves Homeward Path($17!?) Ignoring the commanders, Id say four of these could find a home with ease

This also means that rather than trying to design a legendary creature of your own making, Id suggest trying to find an existing character from Magic or outside of it that you can lean into to draw the flavor from