The downside is that Muldrotha will be an instant target for your opponents to remove, letting you stick your Kotis for a bit longer
5 Myrel, Shield Of Argive - Mythic Rare Extended Art - $29.51 You know a card is good when it's on a list twice, this time as the extended art version of the card
For example, this attack can easily take out Magikarp on the opponent's bench - stopping it from evolving to Gyarados ex
It's not uncommon to see third-party retailers on, say, Amazon have a high price for a single card or even a pack, which is the same for the popular and ever-elusive to find at a decent price (unless you buy individually on Etsy) Animal Crossing Amiibo cards, but that's a story for another day
This deck's strategy is to leverage Loot's enormous utility in the command zone to out value and out politic everyone at the table