mtg prosper tome bound commander deck EDH Prosper, Tome-Bound Custom Art Blue Core Proxy & Token Foils you may play that card $220 Prosper, Tome-Bound EDH Deck

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

It may cost more, but that gives you a bit of extra power and toughness plus a handy Corrupted ability

Through the Ages will very likely, and at long last, bring partner pairings into the Arena format thanks to Bruse Tarl, Boorish Herder, reimagined as Final Fantasy XVI's Hugo Kupka (who is not really one of the good guys, as you may guess from the card art), and Tymna the Weaver as Cecil Harvey, illustrated by the legendary Yoshitaka Amano

When to Buy, and When to Sell If youre on this site, youre familiar with the most basic tenet of Magic finance: buy low and sell high