What does make it wrong is when it escalates to the point where things get out of control. There are so many factors involved, and its not just limited to those five we highlighted
With the Abyssal Flames attack costing just one Fire Energy, you can set it up on the first turn available, though it only deals 30 damage at the base level
Even against decks with few legendary creatures, its just a Plains with upside, which is kind of broken
Aim to find at least 3, but ideally 5 or more cards that sold recently (within the last month), and average their sold prices
Enchantment Maybeboard (CTRL to add secondary) To be added Quakebringer Your opponents can't gain life
Cold-Blooded Tactician Professor Cobra / Skill The back When this skill is activated, flip this card over