Heroism

damage is prevented — 568 cards in the game can cause this (Heroism is one).

When a creature has damage prevented thanks to Heroism:

1. Phyrexian Vindicator — deals that much damage
2. Selfless Squire — puts that many +1/+1 counters on itself
3. New Way Forward — deals that much damage
4. Samite Ministration — gains you that much life
5. Judgment of Alexander — deals its power damage

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

When you sacrifice a white creature to Heroism:

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 (Heroism is one).

When you sacrifice a white creature to Heroism:

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 (Heroism is one).

Heroism puts cards into the graveyard that:

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

When you sacrifice a white creature to Heroism:

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 (Heroism is one).

When you sacrifice a white creature to Heroism:

1. Pious Evangel // Wayward Disciple — makes each opponent lose 1 life
2. Daxos, Blessed by the Sun — gains you 1 life
3. Elas il-Kor, Sadistic Pilgrim — makes each opponent lose 1 life
4. Shriveling Rot — makes a player lose life equal to its toughness
5. Meathook Massacre II — brings a card back
6. Ashnod's Intervention — brings a card back
7. Missy — brings a card back
8. Malakir Rebirth // Malakir Mire — brings a card back
9. Saffi Eriksdotter — sacrifices itself
10. Angelic Renewal — sacrifices itself

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

an enchantment is cast — 3,673 cards in the game can cause this (Heroism is one).

When Heroism is cast:

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

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

an enchantment enters the battlefield — 3,743 cards in the game can cause this (Heroism is one).

1. Unwilling Vessel — When Heroism enters, Unwilling Vessel puts a possession counter on itself
2. Infernal Phantom — When Heroism enters, Infernal Phantom gets +2/+0

85 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 (Heroism is one).

1. Ninja Teen — When you sacrifice a white creature to Heroism, Ninja Teen makes each opponent lose 1 life

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

a permanent is put into a graveyard from the battlefield — 5,057 cards in the game can cause this (Heroism is one).

1. Gerrard, Weatherlight Hero — When Gerrard, Weatherlight Hero dies thanks to Heroism, it exiles itself

14 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 (Heroism is one).

1. Havi, the All-Father — Heroism fills your graveyard toward the 4 or more cards Havi, the All-Father needs
2. Repentant Vampire — Heroism fills your graveyard toward the 7 or more cards Repentant Vampire needs
3. Treacherous Vampire — Heroism fills your graveyard toward the 7 or more cards Treacherous Vampire needs
4. Athreos, Shroud-Veiled — Heroism puts cards into the graveyard that Athreos, Shroud-Veiled can bring back
5. Glissa's Retriever — Heroism puts cards into the graveyard that Glissa's Retriever can bring back
6. Greenwarden of Murasa — Heroism puts cards into the graveyard that Greenwarden of Murasa can bring back
7. Treacherous Werewolf — Heroism fills your graveyard toward the 7 or more cards Treacherous Werewolf needs

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