Yiazmat is extremely difficult to defeat in-game, so since you went through all the perils of completing this sidequest, now your opponents have to go through the perils of battling this nearly indestructible ultimate boss
In other games, you can summon them and have them stick around for a bit before they leave with an impressive final attack
It's going to be huge, and people will get all the answers they've been asking over the next few weeks
Once you have The Lunar Whale turned on, and Senseis Divining Top, a whole series of infinite combos can win the game
Hes not only adorable in this picture, but hes handy to have if youre looking to rack up lore with his abilities
However, Magic: The Gathering 's designers took things even further than I expected by allowing you to do this as an intentional sacrifice that not only hands off Zack's counters and equipment, but also gives another creature indestructible, mirroring how he defends Cloud