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While running it as your commander limits your legendary options, you can still copy powerful abilities from legends like Ulamog, the Infinite Gyre

some planeswalkers and special cards qualify too

The only way around this kind of thing is a clone like Spark Double, which can copy legendary creatures without issue because it removes the legendary typing when it copies something, or another way around the legend rule like Mirror Gallery or Sakashima of a Thousand Faces

As for me, I get to travel around quite a bit in March

With only 3 Gardening in the current build and none of the Aroma Field Spell, you dont have that guarantee