Harmonized Trio // Brainstorm

a Bard attacks — 130 cards in the game can cause this (Harmonized Trio is one).

1. Chong and Lily, Nomads — When Harmonized Trio // Brainstorm attacks, Chong and Lily, Nomads triggers

a Merfolk deals combat damage — 386 cards in the game can cause this (Harmonized Trio is one).

1. Seafloor Oracle — When Harmonized Trio // Brainstorm deals combat damage, Seafloor Oracle draws you 1 card

a Merfolk enters the battlefield — 397 cards in the game can cause this (Harmonized Trio is one).

When Harmonized Trio // Brainstorm enters:

1. Forerunner of the Heralds — puts a +1/+1 counter on itself
2. Deeproot Elite — puts a counter on a Merfolk
3. River Sneak — gets +1/+1

a creature becomes tapped — 565 cards in the game can cause this (Harmonized Trio is one).

When Harmonized Trio // Brainstorm becomes tapped:

1. Unctus, Grand Metatect — draws you 1 card
2. Sharae of Numbing Depths — draws you 1 card
3. Rewrite History — draws you 1 card
4. Stinging Licid — deals 2 damage
5. Icewrought Sentry — gets +2/+1
6. Hawkeye's Bow — deals 1 damage
7. Lust for War — deals 3 damage
8. Cryoshatter — kills a creature
9. Don't Move — kills a creature
10. Hylda of the Icy Crown — triggers

11 other cards care about it too. These are the ones with the most connections.

anything becomes tapped — 699 cards in the game can cause this (Harmonized Trio is one).

1. Master Pakku — When Master Pakku becomes tapped thanks to Harmonized Trio // Brainstorm, it mills a card

1 other card cares about it too. These are the ones with the most connections.

a nontoken Wizard enters the battlefield — 1,243 cards in the game can cause this (Harmonized Trio is one).

1. Inalla, Archmage Ritualist — When Harmonized Trio // Brainstorm enters, Inalla, Archmage Ritualist makes a token

a Wizard creature enters the battlefield — 1,264 cards in the game can cause this (Harmonized Trio is one).

1. Diviner's Wand — When Harmonized Trio // Brainstorm enters, Diviner's Wand triggers

a card is drawn — 3,815 cards in the game can cause this (Harmonized Trio is one).

When Harmonized Trio // Brainstorm makes a player draw a card:

1. Temmet, Naktamun's Will — gives +1/+1
2. Niv-Mizzet, Parun — deals 1 damage
3. Aether Syphon — mills a card
4. The Locust God — makes a token
5. Starving Revenant — makes each opponent lose 1 life
6. Ominous Seas — puts a foreshadow counter on itself
7. Dream Trawler — gets +1/+0
8. Iron Man, Armored Avenger — puts a counter on a creature
9. The Astonishing Ant-Man — puts a +1/+1 counter on itself
10. Psychosis Crawler — makes each opponent lose 1 life

57 other cards care about it too. These are the ones with the most connections.

an instant is cast — 3,931 cards in the game can cause this (Harmonized Trio is one).

When Harmonized Trio // Brainstorm is cast:

1. Lunar Mystic — draws you 1 card
2. Ojer Pakpatiq, Deepest Epoch // Temple of Cyclical Time — grants rebound
3. Repeated Reverberation — copies an ability
4. Riku of Two Reflections — copies a spell
5. Sword of Wealth and Power — copies a spell
6. Lilah, Undefeated Slickshot — gets +1/+1
7. Gale, Waterdeep Prodigy — brings a card back
8. Harness the Storm — brings a card back
9. In the Eye of Chaos — counters a spell
10. Niblis of Frost — taps a creature an opponent controls

427 other cards care about it too. These are the ones with the most connections.

anything attacks — 17,934 cards in the game can cause this (Harmonized Trio is one).

When Harmonized Trio // Brainstorm attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Grim Javelineer — gives +1/+0
3. Invisible Woman — triggers
4. Caesar, Legion's Emperor — sacrifices a creature
5. Guide of Souls — triggers
6. Campsite Cuisine — sacrifices a Food
7. Gossip's Talent — triggers
8. Banon, the Returners' Leader — draws and discards
9. Toph, Earthbending Master — puts a counter on a permanent

121 other cards care about it too. These are the ones with the most connections.

a creature attacks — 17,934 cards in the game can cause this (Harmonized Trio is one).

When Harmonized Trio // Brainstorm attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Saw — sacrifices a creature

193 other cards care about it too. These are the ones with the most connections.

a creature blocks — 17,934 cards in the game can cause this (Harmonized Trio is one).

1. Tide of War — When Harmonized Trio // Brainstorm blocks, Tide of War sacrifices a creature

27 other cards care about it too. These are the ones with the most connections.

a creature enters the battlefield — 19,800 cards in the game can cause this (Harmonized Trio is one).

When Harmonized Trio // Brainstorm enters:

1. Slash, Reptile Rampager — deals 2 damage
2. Ray Fillet, Wave Warrior — puts a counter on itself
3. Bess, Soul Nourisher — puts a +1/+1 counter on itself
4. The Neutrinos — gets +1/+0
5. Wingnut, Bat on the Belfry — grants flying, haste and menace
6. Aetherstorm Roc — puts a counter on a permanent you control
7. Raphael, Most Attitude — exiles a card from your library

328 other cards care about it too. These are the ones with the most connections.

anything enters the battlefield — 26,499 cards in the game can cause this (Harmonized Trio is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Harmonized Trio // Brainstorm enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

52 other cards care about it too. These are the ones with the most connections.