Emerald is a disruptive, controlling ink, providing ways to discard your opponents cards, avoid their challenges to quest unopposed, and punish your opponent for challenging your non-evasive creatures
Even notorious offenders like small italicized reminder text remain readable without squinting
He doesn't do much more than draw you a card and do Blood Artist-y things
Event Promo Cards The first three event promo cards (aside from the D23 set) were the Three Musketeers: Mickey, Goofy, and Donald
Ive even seen this card perform at higher power tables tables with commanders like Selvala, Heart of the Wilds and Najeela, the Blade-Blossom that can benefit from the protection and the ability to deal damage to enemy creatures whenever they become tapped
His "Darkness" ability causing you to lose life when he deals damage basically represents his guilt over attacking innocent people on Baron's orders