That second choice doesn't do anything, as lands don't have a color. It's weird. You could word it like:

"Destroy up to one target land that could produce G or W."

I really feel this should cost 4 mana to start. 2RR. Land destruction has a history of completely warping set balance when put onto cards that cost less than 4 mana. There's already a 3 mana sorcery that destroys any land. And this brings a 2/2 with it.

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