It never got to dole out its third-degree-burn counters
On average, using its activated ability will put half of your deck into the yard, which should be enough to keep you going for the rest of the game
The mentor trigger compares the power of the involved creatures two times: at the time of the trigger, and as it resolves
References [edit] "Money, Proxies, and the Must-Have List - A Case for Vintage"
Wilds of Eldraine limited feels much quicker than my original thoughts were, and I worry about blue, which is positioned as the control color in general, struggling due to the strength of aggro decks in the format
That gives us six decks in my roster, four of which are Boros, which some might say is embarrassing, but I would say is the epitome of doing what you love to get the most out of the format