The one extra mana in its cost is insignificant when you consider the extra card advantage
Often you need it for it's high toughness, but other times, you want to find your game changer in Rhystic Study, or impactful cards like Emry, Lurker of the Loch or Windfall
We all must learn this lesson the hard way, though
3 - Charizard ex (Full Art - 215/197) Without a question, this is one of the rarest cards in the set, and its other variants will complete the Top 3, as it is no mystery: "once a Charizard, always a Charizard." But this Charizard isn't here only due to its collector's value, as it is also a very interesting card for the competitive format, which is something so rare it happened for the last time at the Sun/Moon: Unbroken Bonds era, with its Tag Team card
25-21) Doubling Season ($25), Woodfall Primus ($10), Mana Reflection ($10), Genesis ($15), Regal Force ($8) Im lumping these cards together because they often end up in the same kinds of Commander decks: big, green, angry brews that overwhelm opponents with mana ramp, tokens, fat, and utility