The reprint of the Zendikar enemy-color fetch lands is a huge boost to this set, not to mention the introduction of Modern staples like Ragavan, Nimble Pilferer and the cycle of elementals
The commander also dictates what colours you can use in your deck
You have to approach it the same way you would in real life, starting fresh as a new player with literally nothing to your name
Some cards like Horn of GreedHorn of Greed only count when you play a land, but Tatyova will trigger not only for your land drop each turn, but also for your spells that put them into play, such as CultivateCultivate, Skyshroud ClaimSkyshroud Claim, or better yet, Boundless RealmsBoundless Realms
Then the Tear half destroys any targeted enchantment, so that's a Demystify for the same mana
There are also going to be lots of evergreen and deciduous mechanics, as well as unexpected cameos, too