Intruder Alarm
Harmonized Trio
Appa, Steadfast Guardian

  Played with this combo

   Prerequisites

What do I need to start this combo?
All cards on the battlefield (Harmonized Trio // Brainstorm without summoning sickness on the battlefield).
You control a creature that can tap to produce at least . You control two untapped creatures excluding the mana-producing creature and Harmonized Trio.

   Steps

How does this combo work?
1
Activate a creature by tapping it, adding at least .
2
Activate Harmonized Trio by tapping it and two other creatures you control, causing it to become prepared.
3
Cast a copy of Brainstorm by paying .
4
Appa triggers, creating a creature token.
5
When the creature token enters, Intruder Alarm triggers, untapping all creatures.
6
Resolve Brainstorm, causing you to draw three cards and put two cards from your hand onto the top of your library.
7
Repeat.

   Results

What do I get from this combo?
Infinite card draw
Infinite draw triggers
Near-infinite ETB
Near-infinite creature tokens
Near-infinite magecraft triggers
Near-infinite storm count
Near-infinite untap of all creatures

  Combo Metadata

2
DECKS
0.00%
OF 347953 ELIGIBLE DECKS
Rank 41597
MOST PLAYED OF 55286 COMBOS

{ }  Commander Bracket Information

In which Commander Bracket(s) am I allowed to play this combo?
1-2

Exhibition and Core

(no 2-card combos)
Any combos that require three or more cards are allowed
3

Upgraded

(no early game 2-card combos)
Any combos that require 3 or more cards are allowed
4-5

Optimized and CEDH

(all combos are allowed)
All combos are allowed.
Top Commanders
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Artifacts
Utility Lands
Mana Artifacts
Lands
Back to Top
Katara, the Fearless
0.0%inclusion1 decks8.50K decks
Falco Spara, Pactweaver
0.0%inclusion1 decks4.54K decks
Creatures
Aang, Swift Savior
100%inclusion2 decks2 decks
93%synergy
Avacyn's Pilgrim
100%inclusion2 decks2 decks
86%synergy
Skycoach Conductor
100%inclusion2 decks2 decks
98%synergy
Aang and Katara
50%inclusion1 decks2 decks
47%synergy
Aang, Airbending Master
50%inclusion1 decks2 decks
47%synergy
Aang, at the Crossroads
50%inclusion1 decks2 decks
46%synergy
Aang, the Last Airbender
50%inclusion1 decks2 decks
47%synergy
Beastcaller Savant
50%inclusion1 decks2 decks
49%synergy
Earth King's Lieutenant
50%inclusion1 decks2 decks
44%synergy
Eternal Witness
50%inclusion1 decks2 decks
37%synergy
Great Divide Guide
50%inclusion1 decks2 decks
44%synergy
Hakoda, Selfless Commander
50%inclusion1 decks2 decks
45%synergy
Halimar Excavator
50%inclusion1 decks2 decks
49%synergy
Harabaz Druid
50%inclusion1 decks2 decks
48%synergy
Invasion Reinforcements
50%inclusion1 decks2 decks
46%synergy
Kabira Evangel
50%inclusion1 decks2 decks
49%synergy
Katara, Water Tribe's Hope
50%inclusion1 decks2 decks
46%synergy
Katara, Waterbending Master
50%inclusion1 decks2 decks
49%synergy
Noble Hierarch
50%inclusion1 decks2 decks
24%synergy
Pensive Professor
50%inclusion1 decks2 decks
45%synergy
Sea Gate Loremaster
50%inclusion1 decks2 decks
48%synergy
Sokka, Lateral Strategist
50%inclusion1 decks2 decks
46%synergy
South Pole Voyager
50%inclusion1 decks2 decks
44%synergy
Tajuru Warcaller
50%inclusion1 decks2 decks
49%synergy
The Blue Spirit
50%inclusion1 decks2 decks
48%synergy
The Earth King
50%inclusion1 decks2 decks
45%synergy
Turntimber Ranger
50%inclusion1 decks2 decks
49%synergy
Watcher for Tomorrow
50%inclusion1 decks2 decks
50%synergy
Arcanis the Omnipotent
50%inclusion1 decks2 decks
49%synergy
Argothian Elder
50%inclusion1 decks2 decks
50%synergy
Badgermole Cub
50%inclusion1 decks2 decks
45%synergy
Blade Splicer
50%inclusion1 decks2 decks
48%synergy
Bramble Sovereign
50%inclusion1 decks2 decks
49%synergy
Cloud of Faeries
50%inclusion1 decks2 decks
47%synergy
Coiling Oracle
50%inclusion1 decks2 decks
43%synergy
Craterhoof Behemoth
50%inclusion1 decks2 decks
43%synergy
Daxos, Blessed by the Sun
50%inclusion1 decks2 decks
49%synergy
Drumbellower
50%inclusion1 decks2 decks
49%synergy
Eladamri, Korvecdal
50%inclusion1 decks2 decks
48%synergy
Elvish Visionary
50%inclusion1 decks2 decks
48%synergy
Enduring Innocence
50%inclusion1 decks2 decks
49%synergy
Enduring Vitality
50%inclusion1 decks2 decks
44%synergy
Essence Channeler
50%inclusion1 decks2 decks
50%synergy
Essence Warden
50%inclusion1 decks2 decks
48%synergy
Exemplar of Light
50%inclusion1 decks2 decks
49%synergy
Fauna Shaman
50%inclusion1 decks2 decks
49%synergy
Frog Butler
50%inclusion1 decks2 decks
49%synergy
Gallant Citizen
50%inclusion1 decks2 decks
50%synergy
Geist-Honored Monk
50%inclusion1 decks2 decks
50%synergy
Good-Fortune Unicorn
50%inclusion1 decks2 decks
49%synergy
Instants
Airbending Lesson
50%inclusion1 decks2 decks
47%synergy
Brainstorm
50%inclusion1 decks2 decks
41%synergy
Cloudshift
50%inclusion1 decks2 decks
46%synergy
Counterspell
50%inclusion1 decks2 decks
12%synergy
Dawn's Truce
50%inclusion1 decks2 decks
40%synergy
Eerie Interlude
50%inclusion1 decks2 decks
44%synergy
Eladamri's Call
50%inclusion1 decks2 decks
40%synergy
Ephemerate
50%inclusion1 decks2 decks
44%synergy
Essence Flux
50%inclusion1 decks2 decks
48%synergy
Frantic Search
50%inclusion1 decks2 decks
44%synergy
Heroic Intervention
50%inclusion1 decks2 decks
20%synergy
It'll Quench Ya!
50%inclusion1 decks2 decks
47%synergy
Slip Out the Back
50%inclusion1 decks2 decks
48%synergy
Sorceries
Avatar's Wrath
50%inclusion1 decks2 decks
43%synergy
Daydream
50%inclusion1 decks2 decks
49%synergy
Distant Melody
50%inclusion1 decks2 decks
47%synergy
Explore
50%inclusion1 decks2 decks
45%synergy
Ponder
50%inclusion1 decks2 decks
46%synergy
Wargate
50%inclusion1 decks2 decks
45%synergy
Genesis Wave
50%inclusion1 decks2 decks
49%synergy
Primal Surge
50%inclusion1 decks2 decks
50%synergy
Utility Artifacts
Lightning Greaves
50%inclusion1 decks2 decks
31%synergy
Pyre of Heroes
50%inclusion1 decks2 decks
50%synergy
Urza's Incubator
50%inclusion1 decks2 decks
48%synergy
Genesis Chamber
50%inclusion1 decks2 decks
50%synergy
Horizon Stone
50%inclusion1 decks2 decks
50%synergy
Vivien's Arkbow
50%inclusion1 decks2 decks
50%synergy
Enchantments
Cathars' Crusade
100%inclusion2 decks2 decks
97%synergy
Airbender Ascension
50%inclusion1 decks2 decks
45%synergy
Cryptolith Rite
50%inclusion1 decks2 decks
46%synergy
Guardian Project
50%inclusion1 decks2 decks
43%synergy
Kindred Discovery
50%inclusion1 decks2 decks
44%synergy
Ajani's Welcome
50%inclusion1 decks2 decks
50%synergy
Cleric Class
50%inclusion1 decks2 decks
49%synergy
Elven Chorus
50%inclusion1 decks2 decks
46%synergy
Leyline of Abundance
50%inclusion1 decks2 decks
50%synergy
Ride the Shoopuf
50%inclusion1 decks2 decks
47%synergy
Tocasia's Welcome
50%inclusion1 decks2 decks
49%synergy
Planeswalkers
Venser, the Sojourner
50%inclusion1 decks2 decks
49%synergy
Artifacts
Arcane Signet
50%inclusion1 decks2 decks
-21%synergy
Bender's Waterskin
50%inclusion1 decks2 decks
45%synergy
Lightning Greaves
50%inclusion1 decks2 decks
31%synergy
Pyre of Heroes
50%inclusion1 decks2 decks
50%synergy
Simic Signet
50%inclusion1 decks2 decks
41%synergy
Sol Ring
50%inclusion1 decks2 decks
-31%synergy
Talisman of Curiosity
50%inclusion1 decks2 decks
40%synergy
Talisman of Progress
50%inclusion1 decks2 decks
40%synergy
Urza's Incubator
50%inclusion1 decks2 decks
48%synergy
Genesis Chamber
50%inclusion1 decks2 decks
50%synergy
Horizon Stone
50%inclusion1 decks2 decks
50%synergy
Vivien's Arkbow
50%inclusion1 decks2 decks
50%synergy
Utility Lands
Mosswort Bridge
50%inclusion1 decks2 decks
46%synergy
Agna Qel'a
50%inclusion1 decks2 decks
47%synergy
Castle Ardenvale
50%inclusion1 decks2 decks
49%synergy
Mana Artifacts
Arcane Signet
50%inclusion1 decks2 decks
-21%synergy
Bender's Waterskin
50%inclusion1 decks2 decks
45%synergy
Simic Signet
50%inclusion1 decks2 decks
41%synergy
Sol Ring
50%inclusion1 decks2 decks
-31%synergy
Talisman of Curiosity
50%inclusion1 decks2 decks
40%synergy
Talisman of Progress
50%inclusion1 decks2 decks
40%synergy
Lands
Adarkar Wastes
100%inclusion2 decks2 decks
74%synergy
Canopy Vista
100%inclusion2 decks2 decks
54%synergy
Command Tower
100%inclusion2 decks2 decks
9%synergy
Hinterland Harbor
100%inclusion2 decks2 decks
50%synergy
Barkchannel Pathway
50%inclusion1 decks2 decks
44%synergy
Branchloft Pathway
50%inclusion1 decks2 decks
44%synergy
Breeding Pool
50%inclusion1 decks2 decks
5%synergy
Brushland
50%inclusion1 decks2 decks
21%synergy
Flooded Grove
50%inclusion1 decks2 decks
27%synergy
Glacial Fortress
50%inclusion1 decks2 decks
2%synergy
Hengegate Pathway
50%inclusion1 decks2 decks
45%synergy
Mystic Gate
50%inclusion1 decks2 decks
45%synergy
Path of Ancestry
50%inclusion1 decks2 decks
25%synergy
Prairie Stream
50%inclusion1 decks2 decks
4%synergy
Sunpetal Grove
50%inclusion1 decks2 decks
6%synergy
Windswept Heath
50%inclusion1 decks2 decks
17%synergy
Yavimaya Coast
50%inclusion1 decks2 decks
19%synergy
Dreamroot Cascade
50%inclusion1 decks2 decks
23%synergy
Krosan Verge
50%inclusion1 decks2 decks
44%synergy
Rain-Slicked Copse
50%inclusion1 decks2 decks
48%synergy
Seaside Citadel
50%inclusion1 decks2 decks
-2%synergy
Sodden Verdure
50%inclusion1 decks2 decks
44%synergy
Tranquil Landscape
50%inclusion1 decks2 decks
35%synergy
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