Creatures you begin to control later in the turn and noncreature permanents that become creatures later in the turn won't get +2/+0
Those seeking to do slightly less terrible things to their friends during casual commander games will find repeatable mass blink effects that net you cards (Cloudblazer, Unquestioned Authority, etc.), the ability to get around mana costs through the Manifest mechanic (Cloudform, Scroll of Fate, etc.), or even double mana from mana rocks is plenty sufficient when it comes to generating incremental value
Victor Duong Absolutely amazing store with the friendliest staff
Jeff tried TCGplayer and his experience getting alternate versions of cards shows it is one of the best options for buying cards directly from individual sellers
However, you can play Jadelight Spelunker as a two-drop or dump a bunch of mana into it later in the game
Guide of Souls is very easy to generate energy with, and its attack trigger is enough to make virtually any creature into a threat