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Rules guide · Legendary Creature

Tromell, Seymour's ButlerHow it works & interactions with other cards

By the ManaCount desk· 5 min read· Final Fantasy Commander· June 13, 2025
Carte Magic Tromell, Seymour's Butler

Tromell, Seymour's Butler is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

01

Official card text

Each other nontoken creature you control enters with an additional +1/+1 counter on it. {1}, {T}: Proliferate X times, where X is the number of nontoken creatures you control that entered this turn. (To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there.)

How it works : Tromell, Seymour's Butler

Original English text — Wizards of the Coast / Scryfall

  1. #1· Wizards of the Coast

    The value of X is determined only once, as Tromell's last ability resolves. To determine that value, look at the nontoken creatures you control and count each one that entered this turn. It doesn't matter if they were creatures when they entered or who controlled them when they entered.

    No other card is named in this ruling.

  2. #2· Wizards of the Coast

    You don't have to choose every permanent or player that has a counter—only the ones you want to add counters to. Since "any number" includes zero, you don't have to choose any permanents at all, and you don't have to choose any players at all.

    No other card is named in this ruling.

  3. #3· Wizards of the Coast

    While proliferating multiple times, players can't respond between proliferating the first time and proliferating the second time, and so on.

    No other card is named in this ruling.

  4. #4· Wizards of the Coast

    If you proliferate multiple times, you don't have to choose the same set of players and/or permanents to get additional counters each time.

    No other card is named in this ruling.

  5. #5· Wizards of the Coast

    When you proliferate, you can choose any permanent that has a counter, including ones controlled by opponents. You can choose any player who has a counter, including opponents. You can't choose cards in any zone other than the battlefield, even if they have counters on them.

    No other card is named in this ruling.

  6. #6· Wizards of the Coast

    Players can respond to a spell or ability whose effect includes proliferating. Once that spell or ability starts to resolve, however, and its controller chooses which permanents and players will get new counters, it's too late for anyone to respond.

    No other card is named in this ruling.

  7. #7· Wizards of the Coast

    If a player or permanent has more than one kind of counter on it, and you choose for it to get additional counters, it must get one of each kind of counter it already has. You can't have it get just one kind of counter it already has and not the others.

    No other card is named in this ruling.

02

Popular combos

Real combos played by the community, sorted by popularity.

Ashnod's Altar
+Tromell, Seymour's Butler
#1

Ashnod's Altar + Tromell, Seymour's Butler

Infinite creature ETBInfinite creature LTBInfinite colorless manaInfinite death triggers
  1. 1Activate Ashnod's Altar by sacrificing the persist creature.
  2. 2When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Tromell.
  3. 3Repeat.
Carrion Feeder
+Tromell, Seymour's Butler
#2

Carrion Feeder + Tromell, Seymour's Butler

Infinite +1/+1 counters on a creatureInfinite creature ETBInfinite creature LTBInfinite death triggers
  1. 1Activate Carrion Feeder by sacrificing the persist creature.
  2. 2When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Tromell
  3. 3Resolve the Carrion Feeder ability.
  4. 4Repeat
Viscera Seer
+Tromell, Seymour's Butler
#3

Viscera Seer + Tromell, Seymour's Butler

Infinite creature ETBInfinite creature LTBInfinite death triggersInfinite creature sacrifice triggers
  1. 1Activate Viscera Seer by sacrificing the persist creature.
  2. 2When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Tromell
  3. 3Resolve the Viscera Seer ability.
  4. 4Repeat
Phyrexian Altar
+Tromell, Seymour's Butler
#4

Phyrexian Altar + Tromell, Seymour's Butler

Infinite creature ETBInfinite creature LTBInfinite colored manaInfinite death triggers
  1. 1Activate Phyrexian Altar by sacrificing the persist creature.
  2. 2When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Tromell.
  3. 3Repeat.
Yahenni, Undying Partisan
+Tromell, Seymour's Butler
#5

Yahenni, Undying Partisan + Tromell, Seymour's Butler

Infinite creature ETBInfinite creature LTBInfinite death triggersInfinite creature sacrifice triggers
  1. 1Activate Yahenni by sacrificing the persist creature.
  2. 2When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Tromell
  3. 3Resolve the Yahenni ability.
  4. 4Repeat
Altar of Dementia
+Tromell, Seymour's Butler
#6

Altar of Dementia + Tromell, Seymour's Butler

Infinite creature ETBInfinite creature LTBInfinite death triggersInfinite mill
  1. 1Activate Altar of Dementia by sacrificing the persist creature.
  2. 2When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Tromell
  3. 3Resolve the Altar of Dementia ability.
  4. 4Repeat
Umbral Collar Zealot
+Tromell, Seymour's Butler
#7

Umbral Collar Zealot + Tromell, Seymour's Butler

Infinite creature ETBInfinite creature LTBInfinite death triggersInfinite creature sacrifice triggers
  1. 1Activate Umbral Collar Zealot by sacrificing the persist creature.
  2. 2When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Tromell
  3. 3Resolve the Umbral Collar Zealot ability.
  4. 4Repeat
Thranduil, the Elvenking
+Devoted Druid
+Tromell, Seymour's Butler
#8

Thranduil, the Elvenking + Devoted Druid + Tromell, Seymour's Butler

Infinite +1/+1 counters on a creatureInfinite green manaInfinite proliferate
  1. 1Activate Thranduil using Tromell's ability by tapping it, putting a +1/+1 counter on Thranduil for each nontoken creature that entered under your control this turn.
  2. 2Activate Thranduil using Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
  3. 3Activate Thranduil using Devoted Druid's first ability by tapping it, adding {G}.
  4. 4Activate Thranduil using Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
  5. 5Repeat.
03

Legal formats

legacyvintagecommanderoathbreakerdueltlr
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