Erebos's Emissary

a creature is discarded — 206 cards in the game can cause this (Erebos's Emissary is one).

When Erebos's Emissary makes a player discard a card:

1. Wharf Infiltrator — makes a token
2. Bone Miser — makes a token
3. Hashaton, Scarab's Fist — makes a token
4. Surly Badgersaur — puts a +1/+1 counter on itself
5. Oskar, Rubbish Reclaimer — brings a card back
6. Conspiracy Theorist — brings a card back
7. Veronica, Dissident Scribe — makes a token
8. Green Goblin, Nemesis — puts a counter on a Goblin

1 other card cares about it too. These are the ones with the most connections.

a Snake deals combat damage — 226 cards in the game can cause this (Erebos's Emissary is one).

1. Seshiro the Anointed — When Erebos's Emissary deals combat damage, Seshiro the Anointed draws you 1 card

a nontoken Snake enters the battlefield — 227 cards in the game can cause this (Erebos's Emissary is one).

1. Sosuke's Summons — When Erebos's Emissary enters, Sosuke's Summons returns itself from the graveyard

a card is discarded — 2,042 cards in the game can cause this (Erebos's Emissary is one).

When Erebos's Emissary makes a player discard a card:

1. Ivora, Insatiable Heir — puts a +1/+1 counter on itself
2. Cool but Rude — deals 2 damage
3. Containment Construct — brings a card back
4. Moonstone, Harsh Mistress — brings a card back
5. Lazotep Chancellor — puts 2 counters on a Zombie or Army
6. Magmakin Artillerist — deals that much damage
7. Inti, Seneschal of the Sun — exiles a card from your library
8. Pitchstone Wall — sacrifices itself
9. Currency Converter — exiles it
10. Hostile Investigator — triggers

51 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 (Erebos's Emissary is one).

When Erebos's Emissary is cast:

1. Hallowed Haunting — makes a token
2. Daxos the Returned — puts a counter on a permanent
3. Tatsunari, Toad Rider — makes a token
4. Sythis, Harvest's Hand — gains you 1 life
5. Sigil of the Empty Throne — makes a token
6. Dawnhart Geist — gains you 2 life
7. Herald of the Pantheon — gains you 1 life
8. Kami of Transience — puts a +1/+1 counter on itself
9. Argothian Enchantress — draws you 1 card
10. Mesa Enchantress — draws you 1 card

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

a nontoken enchantment enters the battlefield — 3,691 cards in the game can cause this (Erebos's Emissary is one).

1. Historian's Boon — When Erebos's Emissary enters, Historian's Boon makes a token

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

When Erebos's Emissary enters:

1. Calix, Guided by Fate — puts a counter on a creature
2. Elvish Archivist — draws you 1 card
3. Victor, Valgavoth's Seneschal — surveils
4. Strength from the Fallen — gives +X/+X, where X is the number of creature cards in your graveyard
5. Doomwake Giant — shrinks a creature by -1/-1
6. Cacophony Unleashed — turns something into a creature
7. Ghostly Dancers — makes a token
8. Thassa's Devourer — mills a card
9. Killian, Decisive Mentor — taps a creature
10. Thoughtrender Lamia — makes an opponent discard a card

70 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 (Erebos's Emissary is one).

1. Thor, God of Thunder — Erebos's Emissary puts cards into the graveyard that Thor, God of Thunder can bring back
2. Samwise Gamgee — Erebos's Emissary puts cards into the graveyard that Samwise Gamgee can bring back
3. Bloodbond March — Erebos's Emissary puts cards into the graveyard that Bloodbond March can bring back
4. Gale, Waterdeep Prodigy — Erebos's Emissary puts cards into the graveyard that Gale, Waterdeep Prodigy can bring back
5. Harness the Storm — Erebos's Emissary puts cards into the graveyard that Harness the Storm can bring back
6. Transplant Theorist — Erebos's Emissary puts cards into the graveyard that Transplant Theorist can bring back
7. Heart-Shaped Herb — Erebos's Emissary puts cards into the graveyard that Heart-Shaped Herb can bring back
8. Wayward Angel — Erebos's Emissary fills your graveyard toward the 7 or more cards Wayward Angel needs
9. Rescue from the Underworld — Erebos's Emissary puts cards into the graveyard that Rescue from the Underworld can bring back
10. Sidequest: Card Collection // Magicked Card — Erebos's Emissary fills your graveyard toward the 8 or more cards Sidequest: Card Collection // Magicked Card needs

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

anything goes to a graveyard — 7,589 cards in the game can cause this (Erebos's Emissary is one).

1. Measure of Wickedness — When a card hits the graveyard thanks to Erebos's Emissary, Measure of Wickedness gives an opponent control of itself

10 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 (Erebos's Emissary is one).

When Erebos's Emissary attacks:

1. Within Range — makes each opponent lose life
2. Sparring Regimen — puts a counter on a creature
3. Campsite Cuisine — sacrifices a Food
4. Obsessive Pursuit — makes you lose life

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

a creature is cast — 18,010 cards in the game can cause this (Erebos's Emissary is one).

When Erebos's Emissary is cast:

1. Primeval Bounty — makes a token
2. Communal Brewing — it arrives with counters thanks to Communal Brewing

89 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 (Erebos's Emissary is one).

When Erebos's Emissary enters:

1. Pollywog Prodigy — puts a counter on itself
2. Airbender Ascension — puts a quest counter on itself

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