Marker
A marker is used to represent anything which isn't represented by a card.
The most common marker are tokens, emblems, and counters. Tokens and emblems are usually represented by the marketing cards found in magic booster, while counter are often represented by marbles or dice.
Player counters
When counter are placed on a player instead of an object it is often helpful to have a marker card to place these counter on.
Designations
Some designations are described "to act as marker".
- Monstrous — Monstrosity
- Renowned — Renown
- City's Blessing — Ascend
Some designations are not described as a marker by the rules.
Zone markers
Some marker cards were printed to highlight a placement of a card in a zone or other game area.
Turn markers
The Grand Melee variant places great emphasis on turn markers.
From the glossary of the Comprehensive Rules (June 7, 2024—Modern Horizons 3)
- Turn Markers
- Markers used to keep track of which players are taking turns in a Grand Melee game. See rule 807.4.