In commander, Elspeth most likely fits into superfriends archetypes where playing as many Magic: The Gathering planeswalkers as possible from War of the Spark or otherwise and using effects like Doubling Season and Atraxa, Praetors Voice to let them use their ultimate abilities early
Here is the Season 10 Thursdaddy Invitational Champion, Travis Hurt, and his custom card, Infernum, Abyssal Prison
Suddenly, each 1/1 deathtouch for 1 mana becomes a threat, effectively having toxic 2, so to speak
Zen Takahashi Stoneforge Mystic is one of my absolute favourite Magic cards
Rootha, Mastering the Moment Rootha, Mastering the Moment is an easy one to get behind because hasty evasive tokens can be a win condition on their own
Ajani, Outland Chaperone does less buffing, but generates lots of little creatures and has some of white's conditional removal