Reckless Endeavor

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

When Reckless Endeavor 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

anything deals noncombat damage — 3,068 cards in the game can cause this (Reckless Endeavor is one).

When Reckless Endeavor deals noncombat damage:

1. Quest for Pure Flame — puts a quest counter on itself
2. Soul-Scar Mage — puts that many counters on a permanent
3. Fear of Burning Alive — deals that amount damage
4. Niv-Mizzet, Visionary — draws you that many cards
5. Chandra's Incinerator — deals that much damage
6. Chandra's Pyreling — gets +1/+0
7. Talon of Pain — puts a charge counter on itself
8. Asgardian Inspiration — returns itself from the graveyard
9. Thor, Guardian of Midgard — exiles a card from your library
10. Virtue of Courage // Embereth Blaze — exiles a card from your library

36 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 (Reckless Endeavor is one).

When a Treasure enters thanks to Reckless Endeavor:

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 (Reckless Endeavor is one).

When Reckless Endeavor makes a Treasure 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 (Reckless Endeavor is one).

When Reckless Endeavor is cast:

1. Tomik, Izzet Sparkmage — gets +1/+1
2. Spellweaver Volute — copies a spell
3. Lilah, Undefeated Slickshot — gets +1/+1
4. Niblis of Frost — gets +1/+1
5. Primeval Bounty — puts 3 counters on a creature
6. Tetsuko Umezawa, Pursuer — gets +1/+1
7. Thor, God of Thunder — deals that spell's mana value damage
8. Krile Baldesion — brings a card back
9. Artist's Talent — draws and discards
10. Blood Funnel — sacrifices a creature

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

an artifact enters the battlefield — 4,643 cards in the game can cause this (Reckless Endeavor is one).

When a Treasure enters thanks to Reckless Endeavor:

1. Transplant Theorist — draws you 1 card
2. Elvish Archivist — puts 2 +1/+1 counters on itself
3. Golbez, Crystal Collector — surveils
4. Sludge Strider — makes a player lose 1 life
5. Underhanded Designs — makes each opponent lose 1 life
6. Mechan Assembler — makes a token
7. Glassdust Hulk — gets +1/+1
8. Rook Turret — draws you 1 card
9. Hedron Detonator — deals 1 damage
10. Pactdoll Terror — makes each opponent lose 1 life

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

a creature is dealt damage — 18,923 cards in the game can cause this (Reckless Endeavor is one).

When a creature is dealt damage thanks to Reckless Endeavor:

1. Soul Link — gains you that much life
2. Shriveling Rot — kills it
3. Cryoshatter — kills a creature
4. Hot Soup — kills a creature
5. Cracked Skull — kills a creature
6. Sporogenic Infection — kills a creature

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