A Spell Counter is a specific type of counter that can be placed on certain cards whose effect allows them to gain Spell Counters. Such cards usually have an effect that allows them to gain Spell Counters whenever a Spell Card is activated (though there are exceptions, such as or ). For example " ". Other cards, such as " ", have effects that allow them to place Spell Counters on other cards.
A Spell Counter itself does nothing. Certain cards require Spell Counters to use their effects. When a card with Spell Counters on it are flipped face down,or leaves the field, all of their Spell Counters are removed.
1 or more-esque orbs are usually on the clothing or accessories of the monsters that use them. In a thematic sense, they might be the spell counters, or at least containers for them.