It has a handful, but not enough where youre guaranteed to get an attacker out before Gonti
Gallery and List of Myriad Cards Cards with Myriad: Auton Soldier Banshee of the Dread Choir Battle Angels of Tyr Broodbirth Viper Caller of the Pack Chittering Dispatcher Conclave Evangelist Cybermen Squadron Dalek Squadron Elturel Survivors Genasi Enforcers Gnoll War Band Goldlust Triad Hammers of Moradin Herald of the Host Polygofy Scion of Calamity Scurry of Squirrels Sumala Rumblers Tabaxi Toucaneers The Master, Multiplied Tiamat's Fanatics Warchief Giant Wizards of Thay Wyrm's Crossing Patrol Cards That Grant Myriad to Other Cards Auton Soldier Blade of Selves Corporeal Projection Cybermen Squadron Duke Ulder Ravengard Firbolg Flutist Ironwill Forger Legion Loyalty Mass of Mysteries Notable Myriad Cards Blade of Selves Equipping a creature and giving it myriad is a very nice effect, and it combos with a lot of different stuff
Sun & Moon Team Up Team Up is one of the most successful sets in playable card production, featuring Jirachi, Pikachu & Zekrom, Pidgeotto, and more
High Priestess is also pretty great for the mirror as well, since shes not summoned from the Extra Deck, is bigger than Winda, and doesnt go negative in the face of Vanitys Emptiness, though Emptiness is still an issue
Because Augment and host cards are not plentiful, I could see this as just a bad deck, and not the cool, Selesnya Mistform Ultimus that comes with it
Being cheaper, hidden and instant the Rakdos Charm can kill equipment when they pay their equip costs and so forth making it far better in the role of killing artifacts than the other safe options