The backup commander from Call for Backup is Shalai and Hallar, and it can provide a steady stream of damage to your opponents, especially if you lean harder on the +1/+1 counter theme
While that's something and could knock out some squishy Pokemon if your opponent happens to brick, Corphish is still really weak and will likely see no play
I think it made the work much more personal to myself, which is always a strong connection for an artist when working for a project with such a grand amount of worldbuilding already behind it
Providing these two options gives players a wide variety of different ways to utilise Simba, Fighting Prince
Even if it was limited to a single artifact or enchantment but returned directly to the battlefield, it might be worth it
Note the use of the Japanese rarity, which is now applied to English sets, such as Double Rare and Ultra Rare