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I'm looking for a Modest HP ground Xerneas in gen 7. I haven't caught any of the wormhole legendaries yet and I own ultra moon (and thus can't catch it myself), so if you're looking for a legendary I can catch in there I can provide that.
If not those I can offer the following legendaries...
I don't have a lot of stuff to trade back to you though in Gen 6, a few HA pokemon that I left copies of, but not anything significant to trade back to you from gen 6