Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owners control with a -1/-1 counter on it.) Illustrated by Karl Kopinski Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
As a rule of thumb, you should consider these when they have natural synergies with your commander
Alora, Merry Thief Bilbo, Birthday Celebrant Bilbo, Retired Burglar Elanor Gardner Erinis, Gloom Stalker Farmer Cotton Frodo Baggins Frodo, Adventurous Hobbit Frodo, Determined Hero Frodo, Sauron's Bane Gollum, Obsessed Stalker Gollum, Patient Plotter Gollum, Scheming Guide Gretchen Titchwillow Lobelia Sackville-Baggins Lobelia, Defender of Bag End Lotho, Corrupt Shirriff Mazzy, Truesword Paladin Meriadoc Brandybuck Merry, Esquire of Rohan Merry, Warden of Isengard Peregrin Took Pippin, Guard of the Citadel Pippin, Warden of Isengard Rosie Cotton of South Lane Sam, Loyal Attendant Samwise Gamgee Samwise the Stouthearted Saradoc, Master of Buckland Smagol, Helpful Guide The Gaffer
Red Card is an effective way to disrupt your opponent from setting up their board state
At 4 mana, this not only lets you cast target instant or sorcery card from an opponent's graveyard without paying its mana cost
Suddenly your Orcish Bowmaster and even Sauron, the Dark Lord himself are Armies, which can grow thanks to Sauron's second ability and trigger his fourth ability