Oath of the Ancient Wood

a creature gets a counter — 2,691 cards in the game can cause this (Oath of the Ancient Wood is one).

When a creature gets a counter thanks to Oath of the Ancient Wood:

1. Hollowmurk Siege — draws you 1 card
2. Ant-Man, Colony Commander — makes a token
3. Earth Kingdom General — gains you that much life
4. Casey Jones, Back Alley Brute — deals that much damage
5. Generous Patron — draws you 1 card
6. Shalai and Hallar — deals that much damage
7. Danny Pink — draws you 1 card
8. Enduring Scalelord — puts a +1/+1 counter on itself
9. Bold Plagiarist — puts counters on a permanent
10. Mikey & Leo, Chaos & Order — draws you 1 card

31 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 (Oath of the Ancient Wood is one).

When Oath of the Ancient Wood 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 (Oath of the Ancient Wood is one).

1. Historian's Boon — When Oath of the Ancient Wood enters, Historian's Boon makes a token

an enchantment enters the battlefield — 3,743 cards in the game can cause this.

1. Calix, Guided by Fate — When Oath of the Ancient Wood enters, Calix, Guided by Fate puts a counter on a creature
2. Elvish Archivist — When Oath of the Ancient Wood enters, Elvish Archivist draws you 1 card
3. Victor, Valgavoth's Seneschal — When Oath of the Ancient Wood enters, Victor, Valgavoth's Seneschal surveils
4. Strength from the Fallen — When Oath of the Ancient Wood enters, Strength from the Fallen gives +X/+X, where X is the number of creature cards in your graveyard
5. Doomwake Giant — When Oath of the Ancient Wood enters, Doomwake Giant shrinks a creature by -1/-1
6. Cacophony Unleashed — When Oath of the Ancient Wood enters, Cacophony Unleashed turns something into a creature
7. Ghostly Dancers — When Oath of the Ancient Wood enters, Ghostly Dancers makes a token
8. Thassa's Devourer — When Oath of the Ancient Wood enters, Thassa's Devourer mills a card
9. Pheres-Band Raiders — When a Centaur enters thanks to Pheres-Band Raiders, Oath of the Ancient Wood puts a counter on a creature
10. Ferocious Werefox // Guard Change — When a Role enters thanks to Ferocious Werefox // Guard Change, Oath of the Ancient Wood puts a counter on a creature
11. Eldrazi Confluence — When an enchantment enters thanks to Eldrazi Confluence, Oath of the Ancient Wood puts a counter on a creature
12. Fated Intervention — When a Centaur enters thanks to Fated Intervention, Oath of the Ancient Wood puts a counter on a creature
13. Genesis Hydra — When an enchantment enters thanks to Genesis Hydra, Oath of the Ancient Wood puts a counter on a creature
14. Redtooth Genealogist — When a Role enters thanks to Redtooth Genealogist, Oath of the Ancient Wood puts a counter on a creature
15. Royal Treatment — When a Role enters thanks to Royal Treatment, Oath of the Ancient Wood puts a counter on a creature
16. Killian, Decisive Mentor — When Oath of the Ancient Wood enters, Killian, Decisive Mentor taps a creature
17. Thoughtrender Lamia — When Oath of the Ancient Wood enters, Thoughtrender Lamia makes an opponent discard a card

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

anything gets a counter — 4,415 cards in the game can cause this (Oath of the Ancient Wood is one).

1. All Will Be One — When a creature gets a counter thanks to Oath of the Ancient Wood, All Will Be One deals that much damage

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