Suddenly your Leyline Bindings are answering two permanents, your evoke Elementals become super-charged double triggering when they enter the battlefield, your Fable of the Mirror-Breaker is making double the Goblin tokens, and this isnt even considering the possibility of actually building around Elesh Norn in some sort of ETB heavy Soulherder or Ephemerate blink shell
We're seeing the return of dual ink cards, which were introduced in Archazia's Island, with a lot of animal features
Threats Around Every Corner Suggested Cut : Sandwurm Convergence This is probably the clunkiest card Im suggesting adding, but Threats Around Every Corner can really start popping off with this landfall commander
The higher the number, the more valuable the card
If you were looking to play Thriller Bark cards, but want the flexibility of a dual-colored leader, then Perona is probably the card you should be investing in