You can't do so later in combat, and creatures put onto the battlefield attacking can't be exerted
When it comes to game design for Magic , there are templates for how to write the card rules, there are red flags whenever a common card is getting overly complex, and everything is incredibly standardized when you come to read their rules they make a point of rewriting all cards on their database whenever a change is made, to make sure everything is on the same ground
Getting 9 power for 4 mana in a game with 3 opponents is nothing to sneeze at
Really its a good way to compare both in terms of any visual impairments that may lead one to believe a card is counterfeit
Some of these cards will be foils, uncommons and enchanted rares alternate versions of cards that are less commonly available as well as promo cards available at conventions and other events
If its a creature card, draw a card