The card types in Magic include artifact, battle, creature, enchantment, instant, kindred, land, planeswalker, and sorcery. Legendary, basic, and snow are supertypes, not card types; Hero and Saga are subtypes, not card types.

While resolving Kefka, Court Mage's last ability, the next opponent in turn order chooses a permanent they control, then each other opponent in turn order does the same. Then each of the chosen permanents are sacrificed simultaneously.