While it was clear that certain promos would be more rare than others, the extent was not clear, and it ended up having a lot of people frustrated
If your team's tank bites it, then Gigantamax Cinderace relies heavily on having someone else using Max Guard to redirect attacks to keep it alive, even with resistances
When the time counters run out, you end up with a beefy 9/7 for your troubles
In addition, Iridia and Palkia may just be the more popular characters right now
"Cards Against Humanity: A Party Game For Horrible People (UK Edition) Review" Archived April 7, 2014, at the Wayback Machine Games & Tea
Most Magic players are familiar with the insane amount of value you generate when you can start paying life instead of mana for spells (hello, Bolas's Citadel), and in a 40-life format like Commander, those costs hardly make a dent in your life total