At the height of "Altergeist"'s power, it was able to go toe-to-toe with meta threats like "Gouki" and "Thunder Dragon", as its ability to play numerous hand traps along with their archetypal trap cards locked combo heavy decks out of the game
During the WRGP duels, if a player uses a card that changes control of a Monster for only one turn, it will stay on the player's field for the rest of the continued duels if the player defeats their opponent on the same turn
Hazoret survived and went on to kill the Scorpion God
This makes players able to set up their discard pile significantly easier, which is why the card is often seen in Gardevoir ex decks
If you put six or more mana into the spell, you get to blow up all noncreature, nonland permanents first
You get a free 1/2 when you have your first spare white mana, and you get to play with a 39 card deck and thus up the power level overall