The cards in question are Dawnsire, Sunstar Dreadnought from Edge of Eternities and Final Fantasy 's Jumbo Cactuar
Follow this guide, and download the free Commander deck building template to learn how many lands to put in your Commander decks, how many ramp spells to run, how much removal you need and much more
Some involve an imbalanced resource conversion, like [casthaven]Ancient Tomb[/casthaven] (two life is absolutely worth an extra mana), others rely on a resource strong enough to easily build a deck around, such as [casthaven]Tolarian Academy[/casthaven] and [casthaven]Mishras Workshop[/casthaven]
The introduction of role tokens is cool, and there might be a few more rat tokens running around than you're used to, but fan favorites like faeries and food are great returning themes in Wilds of Eldraine
We can combo out the entire table with Worldgorger Dragon enchanted by Animate Dead or Dance of Dead, performing an infinite loop that turns lethal with Scourge of Valkas or Dragon Tempest