Maybe Im relying on an invalid argument, but my fear is that Hero's Downfall and similar cards will be too much for this card and will push it out of the format
This ability means that whenever Audrey Ramirez, The Engineer quests, players are able to ready one of their exhausted items
My other loss was to the G/R Monsters deck that won the tournament, and I also defeated Grixis Midrange, U/B Midrange, U/B Control, Vampires, Mono-Black Aggro, Jund Midrange, and Treasure Red
Despite hardly being the more common creature type in MTG, Dinosaurs are currently the 10th most popular Typal archetype in Commander
Exalted Sunborn is a great variant on this effect, attached to a creature that could be cast temporarily for two mana