Overburden

an enchantment is cast — 3,658 cards in the game can cause this (Overburden is one).

When Overburden 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

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

a nontoken enchantment enters the battlefield — 3,676 cards in the game can cause this (Overburden is one).

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

an enchantment it makes cheaper to cast — 3,705 cards in the game can cause this.

1. Mana Matrix — Mana Matrix reduces what Overburden costs

3,704 other cards cause it too. These are the ones with the most connections.

an enchantment enters the battlefield — 3,735 cards in the game can cause this (Overburden is one).

When Overburden 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. Ghostly Dancers — makes a token
7. Cacophony Unleashed — turns something into a creature
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.

put a nontoken creature onto the battlefield — 18,291 cards in the game can cause this.

1. Fold into Aether — When a creature enters thanks to Fold into Aether, Overburden triggers

18,290 other cards cause it too. These are the ones with the most connections.

anything enters the battlefield — 26,290 cards in the game can cause this (Overburden is one).

1. Nature's Wrath — When Overburden enters, Nature's Wrath makes a player sacrifice an Island or permanent

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