With the all-time-great selection of mana dorks and ramp spells available, its very easy to reach seven mana in a timely fashion
Hand-painted alters gives Commander players a unique experience by personalizing their decks, providing visually captivating encounters, and also brings different life to the game
If you want to shut down the taking of extra turns, which I do think is in bounds as way to stop someone from walking down the infinite path of extra turns, then might I suggest Ugin's Nexus instead
Getting to start the game with a virtual eighth card is amazing, and for any deck that can get lots of value out of Yorions enters-the-battlefield ability, it is an unbelievable utility to have
Are these three Mega Evolutions a one-time feature, or is Pokmon preparing for a full-blown Mega-focused set or mechanic in future expansions