Backing up Caracal is Arahbo, the First Fang, which is sort of a miniRegal Caracal

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Vito, Thorn of the Dusk Rose The ultimate drain and gain commander
Every kindred deck moving forward that goes wide will love this, it's better than Coat of Arms since it doesn't work for your foes, and you'll keep that size boost even if some of your guys are killed
The others seem like generic value piles, which is enough to potentially get there
Solemn Simulacrum I won't entertain any discourse about Solemn Simulacrum falling behind the times in Commander