That alone wouldnt be compelling, but the rewards for reaching 20 and 40 toughness in play are well worth working towards, and will happen naturally in many games
Ozolith, the Shattered Spire, Kami of Whispered Hopes, and some of the pricier Hydras like Benevolent Hydra and Primordial Hydra are excellent reprints for +1/+1 counter decks, and Tanazir Quandrix as the obligatory Elder Dragon inclusion (which I've just realized was conspicuously absent from Lorehold) makes me nostalgic for my prerelease promo Tanazir deck that aimed to make the biggest Fractal possible
Each card will still fit into a theme, and you can still mix those themes together to create a new deck and then battle it out with your friends
The Japanese multi-media franchise features competing animals which hold special powers
However, tribal Commander decks regularly make use of Herald's Horn, since it accrues value over time, can be cast with any type of mana, and can benefit any tribe