Unhallowed Pact

an Aura enters the battlefield — 1,257 cards in the game can cause this (Unhallowed Pact is one).

When Unhallowed Pact enters:

1. Tanglespan Lookout — draws you 1 card
2. Chishiro, the Shattered Blade — makes a token

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

a creature leaves a graveyard — 1,302 cards in the game can cause this (Unhallowed Pact is one).

When a creature leaves a graveyard thanks to Unhallowed Pact:

1. Grim Reaper's Scythe — makes a token
2. Syr Konrad, the Grim — deals 1 damage
3. Cyan, Vengeful Samurai — puts a +1/+1 counter on itself
4. Along the Crooked Way — puts a counter on a Goblin or Army
5. Skeleton Crew — makes a token
6. Desecrated Tomb — makes a token
7. Chalk Outline — makes a token
8. Insidious Roots — makes a token
9. Undead Hand Ninja — makes each opponent lose 1 life
10. Erebos's Titan — triggers

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

anything leaves a graveyard — 2,503 cards in the game can cause this (Unhallowed Pact is one).

When a creature leaves a graveyard thanks to Unhallowed Pact:

1. Blastoneuron — makes each opponent lose 1 life
2. Defiled Crypt // Cadaver Lab — makes a token
3. Teval, the Balanced Scale — makes a token
4. Hologram Stalker — makes a token
5. Tormod, the Desecrator — makes a token
6. Quintorius, Field Historian — makes a token
7. Garrison Excavator — makes a token
8. Amzu, Swarm's Hunger — makes a token
9. Kirol, History Buff // Pack a Punch — becomes prepared
10. Teval's Judgment — triggers

13 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.

1. Shriveling Rot — When a creature dies thanks to Shriveling Rot, Unhallowed Pact brings a card back
2. Blasting Station — When you sacrifice a creature to Blasting Station, Unhallowed Pact brings a card back
3. Lethal Vapors — When a creature dies thanks to Lethal Vapors, Unhallowed Pact brings a card back
4. Grave Peril — When a creature dies thanks to Grave Peril, Unhallowed Pact brings a card back
5. Spreading Plague — When a creature dies thanks to Spreading Plague, Unhallowed Pact brings a card back
6. Saw — When a creature dies thanks to Saw, Unhallowed Pact brings a card back
7. Hot Soup — When a creature dies thanks to Hot Soup, Unhallowed Pact brings a card back
8. Cracked Skull — When a creature dies thanks to Cracked Skull, Unhallowed Pact brings a card back
9. Sporogenic Infection — When a creature dies thanks to Sporogenic Infection, Unhallowed Pact brings a card back
10. Mire Blight — When a creature dies thanks to Mire Blight, Unhallowed Pact brings a card back

2,820 other cards cause it too. These are the ones with the most connections.

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

When Unhallowed Pact 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 (Unhallowed Pact is one).

1. Historian's Boon — When Unhallowed Pact enters, Historian's Boon makes a token

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

When Unhallowed Pact 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

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

a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Unhallowed Pact is one).

When a creature enters thanks to Unhallowed Pact:

1. Riku of Two Reflections — makes a token
2. Samwise Gamgee — makes a token
3. Dual Nature — makes a token
4. Chainer, Nightmare Adept — grants haste
5. Preston, the Vanisher — makes a token
6. Angelic Sell-Sword — makes a token
7. Arni, Humble Scribe — untaps itself
8. Saradoc, Master of Buckland — makes a token
9. Lonis, Cryptozoologist — triggers
10. Radiant Solar — triggers

23 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 (Unhallowed Pact is one).

1. Nurturing Presence — When a creature enters thanks to Unhallowed Pact, Nurturing Presence gets +1/+1
2. Airbender Ascension — When a creature enters thanks to Unhallowed Pact, Airbender Ascension puts a quest counter on itself
3. Master of Winds — When Master of Winds enters thanks to Unhallowed Pact, it draws you 2 cards
4. Lunarch Veteran // Luminous Phantom — When a creature enters thanks to Unhallowed Pact, Lunarch Veteran // Luminous Phantom gains you 1 life
5. Pious Evangel // Wayward Disciple — When a creature enters thanks to Unhallowed Pact, Pious Evangel // Wayward Disciple gains you 1 life
6. Daxos, Blessed by the Sun — When a creature enters thanks to Unhallowed Pact, Daxos, Blessed by the Sun gains you 1 life
7. Ephara's Enlightenment — When a creature enters thanks to Unhallowed Pact, Ephara's Enlightenment triggers

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