Campus Composer // Aqueous Aria

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

1. Chong and Lily, Nomads — When Campus Composer // Aqueous Aria attacks, Chong and Lily, Nomads triggers

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

1. Seafloor Oracle — When Campus Composer // Aqueous Aria deals combat damage, Seafloor Oracle draws you 1 card

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

When Campus Composer // Aqueous Aria 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

an Elemental enters the battlefield — 754 cards in the game can cause this (Campus Composer is one).

When an Elemental enters thanks to Campus Composer // Aqueous Aria:

1. Champion of the Path — deals its power damage
2. Risen Reef — puts a land onto the battlefield

provide a creature to sacrifice — 2,720 cards in the game can cause this.

1. Jalira, Master Polymorphist — Campus Composer // Aqueous Aria makes fodder for Jalira, Master Polymorphist
2. Polymorph — Campus Composer // Aqueous Aria makes fodder for Polymorph
3. Proteus Staff — Campus Composer // Aqueous Aria makes fodder for Proteus Staff
4. Synthetic Destiny — Campus Composer // Aqueous Aria makes fodder for Synthetic Destiny
5. Mass Polymorph — Campus Composer // Aqueous Aria makes fodder for Mass Polymorph

2,715 other cards cause it too. These are the ones with the most connections.

a creature token enters the battlefield — 2,799 cards in the game can cause this (Campus Composer is one).

When an Elemental enters thanks to Campus Composer // Aqueous Aria:

1. Securitron Squadron — puts a counter on a permanent
2. Anointer Priest — gains you 1 life
3. Nesting Dovehawk — puts a +1/+1 counter on itself

a creature token is created — 2,799 cards in the game can cause this (Campus Composer is one).

1. Staff of the Storyteller — When Campus Composer // Aqueous Aria makes an Elemental token, Staff of the Storyteller puts a story counter on itself

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

a token enters the battlefield — 3,710 cards in the game can cause this (Campus Composer is one).

When an Elemental enters thanks to Campus Composer // Aqueous Aria:

1. Baron Bertram Graywater — makes a token
2. Marneus Calgar — draws you 1 card
3. Belladonna Took — gains you 1 life
4. Kambal, Profiteering Mayor — makes each opponent lose 1 life
5. Lucy MacLean, Positively Armed — makes a token
6. Mister Fantastic, Reed Richards — draws you 1 card
7. Cloakwood Swarmkeeper — puts a +1/+1 counter on itself
8. Woodland Champion — puts that many +1/+1 counters on itself
9. Leonardo, the Balance — puts a counter on a creature
10. Spiritcall Enthusiast // Scrollboost — becomes prepared

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

a token is created — 3,711 cards in the game can cause this (Campus Composer is one).

When Campus Composer // Aqueous Aria makes an Elemental token:

1. Akim, the Soaring Wind — makes a token
2. Idol of Oblivion — draws you 1 card
3. Rosie Cotton of South Lane — puts a counter on a permanent
4. Mirkwood Bats — makes each opponent lose 1 life

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

a sorcery is cast — 3,720 cards in the game can cause this (Campus Composer is one).

When Campus Composer // Aqueous Aria is cast:

1. Spellweaver Volute — copies a spell
2. Lilah, Undefeated Slickshot — gets +1/+1
3. Niblis of Frost — gets +1/+1
4. Primeval Bounty — puts 3 counters on a creature
5. Tetsuko Umezawa, Pursuer — gets +1/+1
6. Thor, God of Thunder — deals that spell's mana value damage
7. Krile Baldesion — brings a card back
8. Summon: Good King Mog XII — makes a token
9. Kykar, Wind's Fury — makes a token
10. Blood Funnel — sacrifices a creature

424 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 (Campus Composer is one).

When Campus Composer // Aqueous Aria attacks:

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

128 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 (Campus Composer is one).

When Campus Composer // Aqueous Aria attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
5. Saw — sacrifices a creature

204 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 (Campus Composer is one).

1. Tide of War — When Campus Composer // Aqueous Aria blocks, Tide of War sacrifices a creature

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

a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Campus Composer is one).

1. Riku of Two Reflections — When Campus Composer // Aqueous Aria enters, Riku of Two Reflections makes a token

32 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 (Campus Composer is one).

1. Pollywog Prodigy — When Campus Composer // Aqueous Aria enters, Pollywog Prodigy puts a counter on itself
2. Slash, Reptile Rampager — When an Elemental enters thanks to Campus Composer // Aqueous Aria, Slash, Reptile Rampager deals 2 damage
3. Ray Fillet, Wave Warrior — When Campus Composer // Aqueous Aria enters, Ray Fillet, Wave Warrior puts a counter on itself
4. The Neutrinos — When an Elemental enters thanks to Campus Composer // Aqueous Aria, The Neutrinos gets +1/+0
5. Wingnut, Bat on the Belfry — When an Elemental enters thanks to Campus Composer // Aqueous Aria, Wingnut, Bat on the Belfry grants flying, haste and menace
6. Aetherstorm Roc — When an Elemental enters thanks to Campus Composer // Aqueous Aria, Aetherstorm Roc puts a counter on a permanent you control
7. Raphael, Most Attitude — When an Elemental enters thanks to Campus Composer // Aqueous Aria, Raphael, Most Attitude exiles a card from your library

351 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 (Campus Composer is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When an Elemental enters thanks to Campus Composer // Aqueous Aria, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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