Of course, if you have Urza, Lord High Artificer in play, you can add infinite blue mana to all that
You cant undo crafting once youve pushed that Craft button
The sheer amount of power in the deck makes it a huge treat, and with some tweaking, you can make use of all that power and land ramping by just ramping into those bigger creatures
Its great because each of its abilities are relevant on multiple turns after its been cast
If you combine this with a lot of removal you can control someones board presence to a frightening degree
I agree that CCGs have a fundamentally different model, but in the standard CCG model, yes, there are ultra-rare cards, but most anyone who is a serious player will be buying enough copies to end up with one or more of them, and no one card should be significantly better than the others