On the defensive, it can serve to save your creatures from opponents combat tricks, but thats far more narrow a use case
The -2 ability shines in formats that allow access to sideboards, making him a versatile and reliable card
Over the years the game has faced its own share of controversy as a result of translation errors causing confusion for players
Sidisi, Regent of the Mire is a two-mana black 1/3 that offers recursion synergies, which could be great if youre looking to Birthing Pod creatures into play from the graveyard
Being able to Fusion Summon using this card's effect after being Fusion Summoned itself makes it very strong, but then shuffling the monster materials from the Graveyard and even face-up Banished Cards back to the Deck simply provides even more resources in the long run, allowing the player to use Aluber's and Albaz's effects trigger once they have it again
Sometimes this made a card way more powerful than in the real game, other times they ended up so much worse