Monstrosity
Maester Seymour
Card Rules and Details
Card Type: Legendary Creature — Human Elf Cleric
Mana Cost: {2}{G}
Oracle Rules Text: At the beginning of combat on your turn, put a number of +1/+1 counters equal to Maester Seymour's power on another target creature you control. {3}{G}{G}: Monstrosity X, where X is the number of counters among creatures you control. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)
Set: Final Fantasy Commander (#68), Rarity: Rare, Artist: Norikatsu Miyoshi
Legendary
Creature
Green
Rare
$0.31
Regular
€0.36
Euro
Prices as of Sep 02, 2026. Market values fluctuate; double-check current pricing before purchasing.
Historical Printings & Sets (1)
1 Languages
Official Rulings (4)
2025-06-06
The value of X is determined only once, as Maester Seymour's last ability resolves.
2025-06-06
If Maester Seymour is no longer on the battlefield when its first ability resolves, use its power as it last existed on the battlefield to determine how many +1/+1 counters to put on the target creature.
2025-06-06
Monstrous isn't an ability that a creature has. It's just something true about that creature. If the creature stops being a creature or loses its abilities, it will continue to be monstrous.
2025-06-06
Once a creature becomes monstrous, it can't become monstrous again. If the creature is already monstrous when the monstrosity ability resolves, nothing happens.
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