Acolyte of Bahamut

an enchantment is cast — 628 cards in Acolyte of Bahamut's colors can cause this (Acolyte of Bahamut is one).

When Acolyte of Bahamut is cast:

1. Herald of the Pantheon — gains you 1 life
2. Kami of Transience — puts a +1/+1 counter on itself
3. Argothian Enchantress — draws you 1 card
4. Verduran Enchantress — draws you 1 card
5. Generous Visitor — puts a counter on a creature
6. Enchantress's Presence — draws you 1 card
7. Defiler of Vigor — puts a counter on a creature
8. Primeval Bounty — puts 3 counters on a creature
9. The Fantasticar — turns something into a creature
10. The Vision — triggers

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

an enchantment enters the battlefield — 639 cards in Acolyte of Bahamut's colors can cause this (Acolyte of Bahamut is one).

When Acolyte of Bahamut enters:

1. Elvish Archivist — draws you 1 card
2. Strength from the Fallen — gives +X/+X, where X is the number of creature cards in your graveyard
3. Eidolon of Blossoms — draws you 1 card
4. Humbler of Mortals — grants trample
5. Nylea's Colossus — makes your creatures bigger
6. Oakheart Dryads — gives +1/+1
7. Setessan Champion — puts a +1/+1 counter on itself
8. Nexus Wardens — gains you 2 life
9. Goldenhide Ox — triggers
10. Composer of Spring — puts a land onto the battlefield

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