Well, it means investing in incidental lifegain even when gaining life isnt the goal of your deck
Anyways this is very strong with expensive artifacts like Spine of Ish Sah since the unearth is just three and then you get another ETB trigger of a Vindicate on a rock
But you also opened Winter, Misanthropic Guide
Whether its adding another turn of Fogging to your Spike Weaver, taking the -1/-1 off your Woodfall Primus, or nixing an age counter from something with cumulative upkeep, there will likely always be a target for Quarry Haulers ability
Pillar of Origins only casts slivers, and while two mana ramp is valuable, I think it's by far the worst mana accelerant in the deck
It sounds simple, but because there are few restrictions on who, or what, you can damage, it allows you to target cards that are Evasive, cards that aren't exerted, and, really, any card with willpower