It is a keyworded triggered ability that activates while the spell is being cast , and allows you to sacrifice a creature for a bonus effect
For example, Aerith from FINAL FANTASY VII doesn't have an official "job" as that's not in the game
After all, just playing the first few minutes of the game gives you enough Hourglasses to start a nice collection
I think the most interesting thing about it all is that Magic somehow survived the times when people moved on and grew into a game spanning many cultures and communities
The Ancient Copper Dragon was arguably the biggest hit to pull from the Commander Legends: Battle for Baldur's Gate set, which has translated to it being one of the most valuable reprints as part of Magic: The Gathering 's Final Fantasy set
Certain monsters like Mutant Mindmaster, Psychic Kappa, or Mind on Air were released before Psychic officially became a monster Type, and might have been considered as such had they been released later