Updated, the green mana-ramping didn't seem to be helping much, so switched to mono-white control. Using Heliod, God of the Sun or any creature + Ethereal Armor + Spectra Ward as win conditions.
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Thanks for the suggestions! I'll have to play test some of those ideas. I'm not sure Heliod's would be super beneficial, but Sylvan Caryatid would definitely be a nice touch.
Good idea, I'll have to go search gatherer for some good fits