mtg karn cards Liberated (FOIL Showcase) - Proxy 2XM The Gathering Karn Liberated (New Phyrexia) #1

It makes other Sphinxes cheaper and provides a mini fact-or-fiction whenever we land another one

There are also 39 extended-art Modern Horizons 3 Commander rares found in this slot, each in non-foil as well as the 13 new Eldrazi Commander deck rares (78.9% in total)

with one specific exception

While Nahiri has appeared on five different Planeswalker cards (finding the most success with Nahiri, the Harbinger), she was widely believed to be depicted on the incredibly powerful Stoneforge Mystic

I also like this with Black tappers like Ghoulcaller Gisa since you can tap and give them undying right before they die to destruction removal like Murder and Wrath of God

There might be more competitive Simic commanders out there, but the most interesting and memorable decks are always the unusual ones