Maester Seymour
Legendary Creature — Human Elf Cleric
LegalRank #4,125
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.
: 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.)
1/3
KeywordsMonstrosity
Why is this card good?
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Printings (2)
Played by these commanders
Tidus, Yuna's Guardian100% of 2
Combos (4)
- Maester Seymour + Sage of Hours
→ Infinite turns, Lock
- Maester Seymour + Crystalline Crawler + Aggravated Assault
→ Infinite colored mana, Infinite combat phases, Infinite untap of creatures you control
- Maester Seymour + Crystalline Crawler + Hellkite Charger
→ Infinite colored mana, Infinite combat phases, Infinite +1/+1 counters on creatures you control
- Maester Seymour + Crystalline Crawler + Najeela, the Blade-Blossom
→ Infinite colored mana, Infinite combat phases, Infinite +1/+1 counters on creatures you control
Rulings (4)
- 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
Once a creature becomes monstrous, it can't become monstrous again. If the creature is already monstrous when the monstrosity ability resolves, nothing happens.
- 2025-06-06
The value of X is determined only once, as Maester Seymour's last ability resolves.
- 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.