It rewards you for playing multiple planeswalkers of the same type perhaps multiple Chandras, Jaces, or Teferis
Mewtwo GX (Shiny Vault, Hidden Fates) Hidden Fates is one of the most beloved and consistently valuable special sets in the history of the modern Pokemon TCG, and its Shiny Vault subset has produced some of the most enduringly sought-after cards of the entire Sun and Moon era
For example, Go-Shintai of Hidden Cruelty is a decent card, but its not something you'd be excited to get for your deck
In this set, four preconstructed Commander decks were released, each containing new cards to excite players
If he is out, your only limitation is the mana you can pump into using Marath's ability
Jalira, Master Polymorphist is another card which I gave some thought to