Hermes, Overseer of Elpis* Another take on a Talrand type of effect, this trades down the size of the creatures for typal Bird synergies (vigilance!), and scrying
Im a big fan now, especially with flavor wins (heh, heh) in the Wilds of Eldraine , Lord of the Rings , and nearly every Magic set since
Thats something I love about Magic the ability to constantly improve and adapt and Grixis Shadow is a fantastic deck to learn those skills with
Enough of those plus a lot of disruption is the idea
Lightning, Lone Commando (Isshin, Two Heavens as One) One of the best Mardu Commanders around, Isshin definitely fits Lightning's vibe in terms of combat mechanics
While Ragavan, Nimble Pilferer has been looking more problematic and especially unfun in Vintage and Legacy (banned), its still relatively balanced in Modern