If an effect instructs you to choose a card name, you must choose an existing (unmodified) card name that appears on a printed card
Some popular inclusions in a Jodah, the Unifier deck might be: Urza's Ruinous Blast Shanid, Sleepers' Scourge Primevals' Glorious Rebirth Sisay, Weatherlight Captain Reki, the History of Kamigawa 13 Krenko, Mob Boss ($1.22 Market Price on TCGPlayer) Swarm the Battlefield With One of MTG's Most Endearing Typals Krenko, Mob Boss is a Commander for players who want good, clean fun with one of the most popular creature sub-types in Magic: The Gathering historyGoblins
To decide what does and doesn't make the cut, look at your deck's draft archetype
The background would be blood red if it were just a shade brighter
Ral, Monsoon Mage / Ral, Leyline Prodigy Ral, Monsoon Mage is fantastic on its own as a quick way to cut your spell costs and is a Birgi, God of Storytelling away from storming off