You venture into the dungeon just like you do in any other format
Cards like Nadir Kraken and Chasm Skulker get bigger when youre drawing cards, and convert into extra board presence
And, most importantly, he looks absolutely hilarious compared to the rest of the self-serious characters in the set just like the original Jumbo Cactuar stood out as a delightful little Easter egg in Final Fantasy 8
When you have several characters on the board, as well as several opposing characters to challenge, Shere Khan can help gather lore while banishing other characters
However, the time lord can circumvent that and, of course, negate the legend rule as well, meaning you'll keep all the tokens you make
Alternatively, Fable of the Mirror-Breaker is another option if you want another Kiki-Jiki effect while generating resources in the early turns