Thrummingbird 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.
Official card text
Flying Whenever this creature deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Complete guide
Thrummingbird is a classic low-cost flier that serves as a powerful engine for decks built around counters. Its ability to proliferate repeatedly makes it a must-answer threat in formats like Commander or Limited. By connecting with your opponent just once, you can bolster your entire board or advance your own win conditions.
What It Does
Thrummingbird is a 1/1 creature with Flying that triggers a proliferate effect whenever it deals combat damage to a player. Proliferating allows you to choose any number of players or permanents that already have counters and give them one more of each kind of counter they currently possess. This includes +1/+1 counters, loyalty counters on planeswalkers, or even poison counters on players.
How Proliferate Resolves
First, Thrummingbird must deal combat damage to a player. Once the trigger resolves, you choose any number of permanents or players that have counters. You do not have to choose every eligible target. If a chosen permanent has multiple types of counters (such as a +1/+1 counter and a Shield counter), it receives one of each. Note that you cannot add counters to cards in zones other than the battlefield, such as cards in exile or your graveyard.
Common Mistakes
A common misconception is that you can pick and choose which specific counters to add if a permanent has more than one type. You cannot; it is all or nothing for that specific permanent. Additionally, players often forget that proliferating is not targeted. This means you don't choose who or what gets counters until the ability is actually resolving, so opponents cannot respond to your specific choices after you make them.
When to Play It
Thrummingbird is best utilized in the early game where its Flying keyword allows it to bypass blockers. It shines in decks featuring Planeswalkers, +1/+1 counter synergies, or Poison strategies. Because it only costs two mana, it can begin growing your board state as early as turn three.
Interaction examples
If you have Ornithopter of Paradise on the battlefield, it provides a flying blocker to protect your life total while Thrummingbird attacks. If you were to somehow place a +1/+1 counter on Ornithopter of Paradise, Thrummingbird's successful combat damage trigger would allow you to add another counter to it, making your mana producer a growing aerial threat.
With Foundry Inspector on the field, your artifact spells cost less. If Foundry Inspector has a +1/+1 counter on it from another source, Thrummingbird can deal combat damage to a player to trigger proliferate. During resolution, you choose Foundry Inspector, and it receives an additional +1/+1 counter, increasing its survivability while it continues to reduce your costs.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Thrummingbird
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
To 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.
- #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 another counter 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· 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.
- #4· Wizards of the Coast
An ability that triggers "Whenever you proliferate" triggers even if you chose no permanents or players while doing so.
No other card is named in this ruling.
- #5· 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.
- #6· Wizards of the Coast
If a permanent ever has both +1/+1 counters and -1/-1 counters on it at the same time, they're removed in pairs as a state-based action so that the permanent has only one of those kinds of counters on it.
No other card is named in this ruling.
Popular combos
Real combos played by the community, sorted by popularity.
Medomai the Ageless + Idris, Soul of the TARDIS + Thrummingbird + Liquimetal Torque
- 1Activate Liquimetal Torque's second ability by tapping it, causing Medomai the Ageless to become an artifact until end of turn.
- 2Deal combat damage to an opponent using Medomai the Ageless.
- 3Medomai the Ageless triggers, causing you to take an extra turn after this one.
- 4Cast Idris by paying
.
- 5When Idris enters the battlefield, it triggers, exiling Medomai the Ageless until Idris leaves the battlefield.
- 6Move to your extra turn.
- 7At the beginning of your upkeep, Idris's vanishing ability triggers, removing a time counter from it.
- 8Deal combat damage to an opponent using Idris and Thrummingbird.
Medomai the Ageless + Idris, Soul of the TARDIS + Thrummingbird + The Flesh Is Weak
- 1Deal combat damage to an opponent using Medomai the Ageless.
- 2Medomai the Ageless triggers, causing you to take an extra turn after this one.
- 3Cast Idris by paying
.
- 4When Idris enters the battlefield, it triggers, exiling Medomai the Ageless until Idris leaves the battlefield.
- 5Move to your extra turn.
- 6At the beginning of your upkeep, Idris's vanishing ability triggers, removing a time counter from it.
- 7Deal combat damage to an opponent using Idris and Thrummingbird.
- 8Idris and Thrummingbird trigger.
Medomai the Ageless + Idris, Soul of the TARDIS + Thrummingbird + Phyrexian Scriptures
- 1Cause Medomai to become an artifact.
- 2Deal combat damage to an opponent using Medomai the Ageless.
- 3Medomai the Ageless triggers, causing you to take an extra turn after this one.
- 4Cast Idris by paying
.
- 5When Idris enters the battlefield, it triggers, exiling Medomai the Ageless until Idris leaves the battlefield.
- 6Move to your extra turn.
- 7At the beginning of your upkeep, Idris's vanishing ability triggers, removing a time counter from it.
- 8Deal combat damage to an opponent using Idris and Thrummingbird.
Medomai the Ageless + Idris, Soul of the TARDIS + Thrummingbird + Memnarch
- 1Activate Memnarch's first ability by paying
, causing Medomai the Ageless to become an artifact.
- 2Deal combat damage to an opponent using Medomai the Ageless.
- 3Medomai the Ageless triggers, causing you to take an extra turn after this one.
- 4Cast Idris by paying
.
- 5When Idris enters the battlefield, it triggers, exiling Medomai the Ageless until Idris leaves the battlefield.
- 6Move to your extra turn.
- 7At the beginning of your upkeep, Idris's vanishing ability triggers, removing a time counter from it.
- 8Deal combat damage to an opponent using Idris and Thrummingbird.
Medomai the Ageless + Idris, Soul of the TARDIS + Thrummingbird + Ashnod's Transmogrant
- 1Activate Ashnod's Transmogrant by tapping and sacrificing it, putting a +1/+1 counter on Medomai the Ageless and causing it to become an artifact.
- 2Deal combat damage to an opponent using Medomai the Ageless.
- 3Medomai the Ageless triggers, causing you to take an extra turn after this one.
- 4Cast Idris by paying
.
- 5When Idris enters the battlefield, it triggers, exiling Medomai the Ageless until Idris leaves the battlefield.
- 6Move to your extra turn.
- 7At the beginning of your upkeep, Idris's vanishing ability triggers, removing a time counter from it.
- 8Deal combat damage to an opponent using Idris and Thrummingbird.
Medomai the Ageless + Idris, Soul of the TARDIS + Thrummingbird + Encroaching Mycosynth
- 1Deal combat damage to an opponent using Medomai the Ageless.
- 2Medomai the Ageless triggers, causing you to take an extra turn after this one.
- 3Cast Idris by paying
.
- 4When Idris enters the battlefield, it triggers, exiling Medomai the Ageless until Idris leaves the battlefield.
- 5Move to your extra turn.
- 6At the beginning of your upkeep, Idris's vanishing ability triggers, removing a time counter from it.
- 7Deal combat damage to an opponent using Idris and Thrummingbird.
- 8Idris and Thrummingbird trigger.
Medomai the Ageless + Idris, Soul of the TARDIS + Thrummingbird + Silverskin Armor
- 1Deal combat damage to an opponent using Medomai the Ageless.
- 2Medomai the Ageless triggers, causing you to take an extra turn after this one.
- 3Cast Idris by paying
.
- 4When Idris enters the battlefield, it triggers, exiling Medomai the Ageless until Idris leaves the battlefield.
- 5Move to your extra turn.
- 6At the beginning of your upkeep, Idris's vanishing ability triggers, removing a time counter from it.
- 7Deal combat damage to an opponent using Idris and Thrummingbird.
- 8Idris and Thrummingbird trigger.
Medomai the Ageless + Idris, Soul of the TARDIS + Thrummingbird + Neurok Transmuter
- 1Activate Neurok Transmuter's first ability by paying
, causing Medomai the Ageless to become an artifact until end of turn.
- 2Deal combat damage to an opponent using Medomai the Ageless.
- 3Medomai the Ageless triggers, causing you to take an extra turn after this one.
- 4Cast Idris by paying
.
- 5When Idris enters the battlefield, it triggers, exiling Medomai the Ageless until Idris leaves the battlefield.
- 6Move to your extra turn.
- 7At the beginning of your upkeep, Idris's vanishing ability triggers, removing a time counter from it.
- 8Deal combat damage to an opponent using Idris and Thrummingbird.
Legal formats
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Meta decks with Thrummingbird
No archived Top 8 deck with this card yet.



Ornithopter of Paradise
Foundry Inspector








