USD $0.31

EUR €0.34

MTGO 2.85 tix

Maester Seymour

Legendary Creature — Human Elf Cleric

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.)

1 / 3

Monstrosity

Set: Final Fantasy Commander (FIC #68)
Rarity: Rare
Mana value: 3
Released: 2025-06-13
Artist: Norikatsu Miyoshi
EDHREC rank: #3,581
Colour identity
Finishes: Nonfoil, Foil
Served from: Local database

Commander bracket

3 +

Bracket 3 and up — Upgraded

In a two-card combo

Derived from card traits, not a ruling — bracket rules turn on how a deck intends to use a card. Bracket rules

EDHREC

Salt Score 0.29

How much players resent seeing this card. The scale tops out around 3.1.

Can be your commander

Combos 4

Maester Seymour+Sage of Hours

Infinite turnsLock

2,321 decks Commander Spellbook ↗

Maester Seymour+Crystalline Crawler+Aggravated Assault

Infinite +1/+1 counters on creatures you controlInfinite colored manaInfinite combat phasesInfinite mana creatures you control can produceInfinite untap of creatures you control

6 decks Commander Spellbook ↗

Maester Seymour+Crystalline Crawler+Hellkite Charger

Infinite +1/+1 counters on creatures you controlInfinite colored manaInfinite combat phases

1 decks Commander Spellbook ↗

Maester Seymour+Crystalline Crawler+Najeela, the Blade-Blossom

Infinite +1/+1 counters on creatures you controlInfinite colored manaInfinite combat phasesInfinite creature tokens with haste

1 decks Commander Spellbook ↗

Format legality

Standard Not legal

Pioneer Not legal

Modern Not legal

Legacy Legal

Vintage Legal

Pauper Not legal

Commander Legal

Oathbreaker Legal

Duel Commander Legal

Brawl Not legal

Standard Brawl Not legal

Historic Not legal

Timeless Not legal

Alchemy Not legal

Penny Not legal

Premodern Not legal

PreDH Not legal

Pauper EDH Not legal

Old School Not legal

Future Not legal

Gladiator Not legal

All printings Scryfall ↗Edhrec ↗

Rulings

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.
2025-06-06
The value of X is determined only once, as Maester Seymour's last ability resolves.