These massive monsters are so powerful, there can only ever be one of them on the field at a time
One reason for this, Rasmussen says, is: "I don't know that it's going to be a strictly power level sort of thing." He gives the example of Lotus Petal - not the most powerful mana accelerant, but a card that raises eyebrows, and might warrant a higher place on the table than might be expected
This is going in every Ninja and Rogue EDH deck ever built or to be built, and on top of that I suspect its set to be a casual favourite too
Okay, let's do a leap of faith-style dive into the details
A common card that is a staple in popular formats, like an Alpha Lightning Bolt, can be worth hundreds, while countless bulk rares are worthless