Its a value engine with ward to ensure you can generate an unreasonable advantage
It will probably be closer to 25%-30%, which will still be catastrophic by all Modern diversity standards
In its prime, Glimpse of Nature was a rather consistent turn 3-4 win deck in Modern that used a lot of cheap elves, Green Suns Zenith and Regal Force to win games in the blink of an eye
It can be a much-needed blocker for cheap in a pinch but can also be a complete powerhouse, especially when players use slang to call this a flampler
Anyways, 7 cards plus Command Tower, Sol Ring, and the value cards brings us up to 16 cards for general collections
If you use incremental lifegain (like Dragon's Claw, be sure it's gaining enough life to matter