When the lorebook opened, it let loose a power that damaged the Great Illuminary, released a chaotic wave of all six inks (Ruby, Amethyst, Amber, Sapphire, Emerald and Steel), and swept away some important items from Disney lore with it, including King Tritons powerful trident
It goes infinite with a few different cards, and all but guarantees you a win once its combo starts rolling
Summon-type cards are new with the Final Fantasy collab in MTG
The fact that regeneration is possible is a double edged sword that often benefited the player using the Deed because it let them regenerate their Spiritmongers
It is the only card to have ever been banned in Vintage
If you cast it from exile, no matter how it got there, it instead deals 5 damage to each opponent and each creature they control