Karador embodies Jason Alt's 75% theory in that it will be as strong as the cards you put around it
The main power behind this deck comes from the many blue and green Elf cards released in the Universes Beyond: The Lord of the Rings: Tales of Middle-earth set
There is a legal phrase called promissory estoppel, which essentially means that if your promise has serious repercussions for the other party and by not keeping it you caused some sort of harm (financial, in this casespoiler alert), youre liable for that harm and can be prosecuted
For now, the key principle is simple: your profit margin on bulk is determined at the point of purchase, not at the point of sale
Most drastically, it dictates what colour cards you'll play: you can only use colours that are in your commander's casting cost, or the cost of its abilities
An opponent guesses whether the top card of your library is the chosen kind