Exoskeletal Armor

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

When Exoskeletal Armor enters:

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

1 other card cares 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 (Exoskeletal Armor is one).

1. Rankle and Torbran — Rankle and Torbran puts cards into the graveyard, and Exoskeletal Armor gets bigger
2. Shriveling Rot — Shriveling Rot puts cards into the graveyard, and Exoskeletal Armor gets bigger
3. Caesar, Legion's Emperor — Caesar, Legion's Emperor puts cards into the graveyard, and Exoskeletal Armor gets bigger
4. Ayara, First of Locthwain — Ayara, First of Locthwain puts cards into the graveyard, and Exoskeletal Armor gets bigger
5. Foot Chopper — Foot Chopper puts cards into the graveyard, and Exoskeletal Armor gets bigger
6. Blasting Station — Blasting Station puts cards into the graveyard, and Exoskeletal Armor gets bigger
7. Tainted Aether — Tainted Aether puts cards into the graveyard, and Exoskeletal Armor gets bigger
8. Lethal Vapors — Lethal Vapors puts cards into the graveyard, and Exoskeletal Armor gets bigger
9. Grave Peril — Grave Peril puts cards into the graveyard, and Exoskeletal Armor gets bigger
10. Spreading Plague — Spreading Plague puts cards into the graveyard, and Exoskeletal Armor gets bigger

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 (Exoskeletal Armor is one).

When Exoskeletal Armor 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 (Exoskeletal Armor is one).

1. Historian's Boon — When Exoskeletal Armor enters, Historian's Boon makes a token

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

When Exoskeletal Armor 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

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