Boing!

a die is rolled — 88 cards in the game can cause this (Boing! is one).

When Boing! rolls a die:

1. Vrondiss, Rage of Ancients — deals 1 damage
2. Feywild Trickster — makes a token
3. The Space Family Goblinson — puts a +1/+1 counter on itself
4. Brazen Dwarf — deals 1 damage
5. Wyll, Blade of Frontiers — puts a +1/+1 counter on itself
6. Farideh, Devil's Chosen — grants flying and menace
7. Vexing Puzzlebox — puts the result charge counters on itself
8. Barbarian Class — gives +2/+0
9. Xenosquirrels — triggers
10. Priority Boarding — triggers

you scry — 420 cards in the game can cause this (Boing! is one).

1. Prudent Fateseer // Peer Review — When Boing! scries, Prudent Fateseer // Peer Review gives +1/+0
2. Diviner of Victory // Unwind History — When Boing! scries, Diviner of Victory // Unwind History gets +1/+1
3. Saheeli, Consul of Oversight — When Boing! scries, Saheeli, Consul of Oversight makes a token
4. Celeborn the Wise — When Boing! scries, Celeborn the Wise makes your creatures bigger
5. Proft, Consulting Detective — When Boing! scries, Proft, Consulting Detective puts a +1/+1 counter on itself
6. Matoya, Archon Elder — When Boing! scries, Matoya, Archon Elder draws you 1 card
7. Denzilore Fatehold — When Boing! scries, Denzilore Fatehold puts a counter on a creature
8. Elminster — When Boing! scries, Elminster costs less
9. Elrond, Master of Healing — When Boing! scries, Elrond, Master of Healing puts a counter on a creature
10. Galadriel of Lothlórien — When Boing! scries, Galadriel of Lothlórien puts a land onto the battlefield

10 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 (Boing! is one).

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

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

a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Boing! is one).

1. Dual Nature — When a creature leaves the battlefield thanks to Boing!, Dual Nature exiles a creature

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

a creature leaves the battlefield — 4,238 cards in the game can cause this (Boing! is one).

When a creature leaves the battlefield thanks to Boing!:

1. Extractor Demon — mills a card
2. Valor of the Worthy — makes a token
3. Traveling Plague — returns itself from the graveyard
4. Funeral March — makes a player sacrifice a creature

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

anything is cast — 31,128 cards in the game can cause this (Boing! is one).

1. Windrider Wizard — When Boing! is cast, Windrider Wizard draws you 1 card
2. Relic Amulet — When Boing! is cast, Relic Amulet puts a charge counter on itself
3. Rockslide Sorcerer — When Boing! is cast, Rockslide Sorcerer deals 1 damage
4. Umara Wizard // Umara Skyfalls — When Boing! is cast, Umara Wizard // Umara Skyfalls grants flying
5. Alania, Divergent Storm — When Boing! is cast, Alania, Divergent Storm makes an opponent draw 1 card
6. Umara Mystic — When Boing! is cast, Umara Mystic gets +2/+0
7. Master of Winds — When Boing! is cast, Master of Winds triggers

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