It supports direct card ID lookup, name search, selectable results, and a default TCG setting for servers that mostly play Digimon
Sigil of Myrkul #147 Commander Legends: Battle for Baldur's Gate Change Version Sigil of Myrkul Enchantment At the beginning of combat on your turn, mill a card
This means that the vast majority of Digimon cannot defeat him
Aside from this, players can also play Tamers (think of enchantments from Magic or continuous spells from Yu-Gi-Oh!) and options (sorceries and normal spells)
I do vaguely remember some of those things, and while I know there's plenty of lore for Wizards to dive into, it's shown restraint and kept things approachable
Most of them, like Coat of Arms or Door of Destinies, all cost over 10$ and are pretty hard to replace, especially in monoblack decks