Cards on the Game Changer list are generally on there because they do one or more of the following: Create a huge resource imbalance Slow the game to a crawl Have limited counterplay Cheat on mana to a degree that is hard to compete with at a casual level of play Remove the natural variance of a 100-card singleton format with efficient tutors that can assemble win conditions with ease Shut off cards, strategies, or elements of gameplay in a way that can be unfun For the full list of cards and reasons why the Commander Format Panel added them as a Game Changer, check out this article
By sending Neshaddoll Genius to the graveyard by a card effect, you can target an effect monster on the field, and make it so that neither player can activate that cards effect on the field for the rest of the turn For maximum power, use a card like El Shaddoll Fusion to send this card to your graveyard during your opponents turn, negating their monster effects before they even get a chance to use them
Up until now, Dinosaurs didnt have many strategies outside of those offered in Speed Duel Starter Deck: Ultimate Predators
the higher the number, the better
It's colorless so it fits into any deck in Commander
The Full Art version from Start Deck 10 [SI], the more sought-after of the cards two versions, also often breaks the US$100 barrier as far as sale price is concerned
