For each nonland card milled this way, you lose 1 life and a rad counter." Chris Mooney developed the details of rad counters to make you lose life in a non-deterministic way
What did I just say about comparing cards out of context
When it did sell at auction, it was most likely for the first time
This is a colourless two drop, it offers wrath protection, evasion, ongoing value and powerful synergy with Steel Overseer and modular
If the target creature is an illegal target when Surly Badgersaur's last ability tries to resolve, the ability doesn't resolve
Bringing the nonfoil value of this Secret Lair to a staggering $53.50 without factoring in any Universes Beyond premiums, grabbing this Secret Lair for its $29.99 price is a no-brainer