Similarly, you can't pay a cost that includes the payment of any amount of life other than 0 life
The card reads: Whenever an opponent casts a spell, you may draw a card unless that player pays one mana. This leads to a lot of extra cards, but it results in whoever plays it having to constantly ask if people will be paying one mana to stop them from drawing a card
It seamlessly integrates 4 separate card deck boxes (with 35PT Magnetic Card Holder to display your most valuable commander and rare cards) plus a large, removable-lidded dice box that instantly transforms into a convenient dice-rolling tray
By the time you have seven mana, the answer should be yes, and if it isnt, your mana base sucks and thats a damning indictment of your value as a human being
It doesnt affect combat, draw a card, or really do much of anything