A: By design, so damage refills resources and lets the losing player fight back with cards and Triggers
Given their age and rarity, sale prices are vastly different depending on condition, so this is just a rough idea of the card's value
Interestingly, as a fun little tech, you can use Permission Denied to counter your own noncreature spells to ensure your opponents wont be able to counter your next play.
How can you give us busted stuff like Mizzix and Narset and then pullback on the commander powere level for a card so perfectly designed to add new spice to potentially Boros coommanders
Its boardwipe effect can get around indestructible and can scale up according to how strong the opponents' creatures are
Any green deck worth its salt should have more than enough ramp to hit 9 mana before long, and tapping out for an entwined Tooth and Nail is guaranteed to make you a huge threat immediately