7 Mishra's Factory (Summer) Rare - $79.08 Antiquities did something a little bit different with this release, several Magic cards had different illustrations on them, sometimes depicting a change in seasons, while other themes might depict a structure from different perspectives
And, as with the mana screw calculation, of course going further in that direction helps more - but it seems that 17 lands just happens to be at the intersection of reasonableness
References Cardmarket (2025) Trading Card Market Trends
Dredge decks sing with this around, and its not bad in Cube either
A raw Near Mint 1st Edition Base Set Blastoise might sell for $2,500, while a PSA 10 of the same card sells for $30,000 or more
The counters even synergise with Bramblewood Paragon and Growth-Chamber Guardian in the Bramble Elves deck to give trample or go fetch another Guardian