If your opponent has no flying creatures, then youll be guaranteed to draw two extra cards each turn to gain faster access to your resources
Edric is the preferred choice because it shines by coming down earlier and enabling more colors, though it carries the small multiplayer drawback of also rewarding opponents who attack elsewhere
Thankfully, however, this really isnt an issue, as Invasion of Ikoria is well worth playing, even without the flip side
The Shattered States Era, pictured below, will give your creatures a boon before returning to the battlefield to fight for you himself as the Nameless Conqueror
On my turn, I cracked the fetchland for a Mystic Sanctuary to put another Swords to Plowshares from my graveyard onto the top of my library, then cast the Dress Down to draw into it and Swords to Plowshares both of my opponents creatures
Greg should be commended for being the model brother, even if your artist proof is signed by the other brother