Mortal Combat

a creature in a graveyard — 2,769 cards in the game can cause this (Mortal Combat is one).

1. Rankle and Torbran — Rankle and Torbran fills your graveyard toward the 20 or more creature cards Mortal Combat needs
2. Shriveling Rot — Shriveling Rot fills your graveyard toward the 20 or more creature cards Mortal Combat needs
3. Caesar, Legion's Emperor — Caesar, Legion's Emperor fills your graveyard toward the 20 or more creature cards Mortal Combat needs
4. Ayara, First of Locthwain — Ayara, First of Locthwain fills your graveyard toward the 20 or more creature cards Mortal Combat needs
5. Foot Chopper — Foot Chopper fills your graveyard toward the 20 or more creature cards Mortal Combat needs
6. Blasting Station — Blasting Station fills your graveyard toward the 20 or more creature cards Mortal Combat needs
7. Tainted Aether — Tainted Aether fills your graveyard toward the 20 or more creature cards Mortal Combat needs
8. Lethal Vapors — Lethal Vapors fills your graveyard toward the 20 or more creature cards Mortal Combat needs
9. Grave Peril — Grave Peril fills your graveyard toward the 20 or more creature cards Mortal Combat needs
10. Spreading Plague — Spreading Plague fills your graveyard toward the 20 or more creature cards Mortal Combat needs

2,759 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 (Mortal Combat is one).

When Mortal Combat 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 (Mortal Combat is one).

1. Historian's Boon — When Mortal Combat enters, Historian's Boon makes a token

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

When Mortal Combat 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

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

anything enters the battlefield — 26,499 cards in the game can cause this (Mortal Combat is one).

1. Nature's Wrath — When Mortal Combat enters, Nature's Wrath makes a player sacrifice a Swamp or permanent

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