On August 4, just a day before Debt of Loyalty began to creep up, and two days before it truly soared, writer Riley Hicks penned a piece that sung its praises, calling the card an "undiscovered Commander super-staple", and even hinting that "if players start to become more aware of this card and demand increases, it could potentially become more expensive in the near future." We've previously covered how content creators like The Command Zone are sometimes able to blow up a card's price all by themselves, simply by mentioning its potential, and especially by suggesting that it could soon be valuable, and it appears that might be exactly what's happened here
If a spell is countered or otherwise fails to resolve, Goliath Daydreamer's first ability won't exile it
Since you don't have the means to give him vigilance, your deck lacks any other defensive measures (so right now, all you can try to do is outpace your opponents and hope their decks don't have any creature removal to get rid of Blanka)
while The Indigo Disk will involve a trip to Blueberry Academy in winter