Sylvan Anthem

you scry — 420 cards in the game can cause this (Sylvan Anthem is one).

When Sylvan Anthem scries:

1. Prudent Fateseer // Peer Review — gives +1/+0
2. Diviner of Victory // Unwind History — gets +1/+1
3. Saheeli, Consul of Oversight — makes a token
4. Celeborn the Wise — makes your creatures bigger
5. Proft, Consulting Detective — puts a +1/+1 counter on itself
6. Matoya, Archon Elder — draws you 1 card
7. Denzilore Fatehold — puts a counter on a creature
8. Elminster — costs less
9. Elrond, Master of Healing — puts a counter on a creature
10. Galadriel of Lothlórien — puts a land onto the battlefield

10 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 (Sylvan Anthem is one).

When Sylvan Anthem 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 (Sylvan Anthem is one).

1. Historian's Boon — When Sylvan Anthem enters, Historian's Boon makes a token

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

When Sylvan Anthem 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

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

a creature it boosts — 19,392 cards in the game can cause this (Sylvan Anthem is one).

1. Saheeli, Radiant Creator — Sylvan Anthem gives Saheeli, Radiant Creator bigger stats
2. Nakia, Wakandan Operative — Sylvan Anthem gives Nakia, Wakandan Operative bigger stats
3. Riku of Two Reflections — Sylvan Anthem gives Riku of Two Reflections bigger stats
4. Defiler of Vigor — Sylvan Anthem gives Defiler of Vigor bigger stats
5. Samwise Gamgee — Sylvan Anthem gives Samwise Gamgee bigger stats
6. Yarus, Roar of the Old Gods — Sylvan Anthem gives Yarus, Roar of the Old Gods bigger stats
7. Disa the Restless — Sylvan Anthem gives Disa the Restless bigger stats
8. Paleoloth — Sylvan Anthem gives Paleoloth bigger stats
9. Swarmborn Giant — Sylvan Anthem gives Swarmborn Giant bigger stats
10. Scurry Oak — Sylvan Anthem gives Scurry Oak bigger stats

19,382 other cards care about it too. These are the ones with the most connections.