If the creature with mentor leaves the battlefield with the mentor ability on the stack, use its power as that creature last existed on the battlefield to determine whether the target creature has lesser power
Many Commander decks don't have any dorks with a power of 8 or more to crack it, so it could sit back until swept up in mass removal
Breya's Apprentice would move up a tier or two in our rankings if it were white or blue, but as a red artifact card, it's firmly in C-Tier
At the last minute, however, WotC switched gears on the printing and decided to take off the basic lands
Creature - Human Artificer Drain (CTRL to add secondary) Draw Black Market Connections At the beginning of your first main phase, choose one or more Sell Contraband Create a Treasure token
For that reason, I have also given greater consideration to cards that may be easier to utilize within Unstable draft archetypes