Flare of Cultivation

a land enters the battlefield — 1,560 cards in the game can cause this (Flare of Cultivation is one).

When a land enters thanks to Flare of Cultivation:

1. Primeval Bounty — gains you 3 life
2. Toph, Earthbending Master — puts a counter on a permanent
3. Dancing from Dark to Dawn — makes a token
4. Emeria Shepherd — brings a card back
5. Quest for the Necropolis — puts a quest counter on itself
6. Soul Stair Expedition — puts a quest counter on itself
7. Nissa of Shadowed Boughs — puts counters on a permanent
8. Thranduil, Sindarin Liege // Silvan Rally — makes a token
9. Silvan Reveler — returns itself from the graveyard
10. Floral Evoker — puts a +1/+1 counter on itself

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

a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Flare of Cultivation is one).

When a creature is sacrificed thanks to Flare of Cultivation:

1. Fumulus, the Infestation — makes a token
2. Bag of Devouring — exiles it

a creature is sacrificed — 1,741 cards in the game can cause this (Flare of Cultivation is one).

When a creature is sacrificed thanks to Flare of Cultivation:

1. Ziatora, the Incinerator — deals that creature's power damage
2. Dina, Essence Brewer — draws you 1 card
3. Fleshtaker — gains you 1 life
4. Body Dropper — puts a +1/+1 counter on itself
5. Smothering Abomination — draws you 1 card
6. Kels, Fight Fixer — draws you 1 card
7. Caesar, Legion's Emperor — triggers
8. Grist, the Hunger Tide — kills a creature or planeswalker an opponent controls
9. Cabal Therapist — triggers
10. Rakdos, the Muscle — exiles a card from an opponent's library

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

a creature in a graveyard — 2,769 cards in the game can cause this (Flare of Cultivation is one).

Flare of Cultivation puts cards into the graveyard that:

1. Chainer, Dementia Master — can bring back
2. Mortuary Mire — can bring back
3. Havengul Lich — can bring back
4. Liliana the Repentant — can bring back
5. Paleoloth — can bring back
6. Chainer, Nightmare Adept — can bring back
7. Banon, the Returners' Leader — can bring back
8. Surgical Suite // Hospital Room — can bring back
9. Sword of Light and Shadow — can bring back
10. Necromantic Thirst — can bring back

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

a nontoken creature dies — 2,769 cards in the game can cause this (Flare of Cultivation is one).

When a creature dies thanks to Flare of Cultivation:

1. Zahur, Glory's Past — makes a token
2. Liesa, Forgotten Archangel — brings a card back
3. Avacyn, Angel of Horror — brings a card back
4. Yedora, Grave Gardener — brings a card back
5. Nim Deathmantle — brings a card back
6. Valkyrie's Call — brings a card back
7. Decaying Soil — brings a card back
8. High-Society Hunter — draws you 1 card
9. Liliana, Heretical Healer // Liliana, Defiant Necromancer — flickers itself
10. Body Launderer — draws and discards

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

a creature dies — 2,830 cards in the game can cause this (Flare of Cultivation is one).

1. Ob Nixilis, Unshackled — When a creature dies thanks to Flare of Cultivation, Ob Nixilis, Unshackled puts a +1/+1 counter on itself
2. Pious Evangel // Wayward Disciple — When a creature dies thanks to Flare of Cultivation, Pious Evangel // Wayward Disciple makes each opponent lose 1 life
3. Daxos, Blessed by the Sun — When a creature dies thanks to Flare of Cultivation, Daxos, Blessed by the Sun gains you 1 life
4. Elas il-Kor, Sadistic Pilgrim — When a creature dies thanks to Flare of Cultivation, Elas il-Kor, Sadistic Pilgrim makes each opponent lose 1 life
5. Shriveling Rot — When a creature dies thanks to Flare of Cultivation, Shriveling Rot makes a player lose life equal to its toughness
6. Meathook Massacre II — When a creature dies thanks to Flare of Cultivation, Meathook Massacre II brings a card back
7. Ashnod's Intervention — When a creature dies thanks to Flare of Cultivation, Ashnod's Intervention brings a card back
8. Saffi Eriksdotter — When a creature dies thanks to Flare of Cultivation, Saffi Eriksdotter sacrifices itself
9. Cavalier of Thorns — When Cavalier of Thorns dies thanks to Flare of Cultivation, it exiles itself
10. Angelic Renewal — When a creature dies thanks to Flare of Cultivation, Angelic Renewal sacrifices itself

451 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 (Flare of Cultivation is one).

When Flare of Cultivation is cast:

1. Cyclops Superconductor — gets +1/+1
2. Jeskai Sage — gets +1/+1

432 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 (Flare of Cultivation is one).

1. Ninja Teen — When a creature leaves the battlefield thanks to Flare of Cultivation, Ninja Teen makes each opponent lose 1 life

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

a card in a graveyard — 7,589 cards in the game can cause this (Flare of Cultivation is one).

Flare of Cultivation:

1. Havi, the All-Father — fills your graveyard toward the 4 or more cards Havi, the All-Father needs
2. Repentant Vampire — fills your graveyard toward the 7 or more cards Repentant Vampire needs
3. Treacherous Vampire — fills your graveyard toward the 7 or more cards Treacherous Vampire needs
4. Athreos, Shroud-Veiled — puts cards into the graveyard that Athreos, Shroud-Veiled can bring back
5. Reborn Hero — fills your graveyard toward the 7 or more cards Reborn Hero needs

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