The Shattered States Era // Nameless Conqueror

a creature untaps — 519 cards in the game can cause this (The Shattered States Era is one).

1. Fishing Pole — When The Shattered States Era // Nameless Conqueror untaps, Fishing Pole triggers

anything is exiled — 2,497 cards in the game can cause this (The Shattered States Era is one).

1. The War Doctor — When The Shattered States Era // Nameless Conqueror is exiled, The War Doctor puts a time counter on itself

an enchantment is cast — 3,673 cards in the game can cause this (The Shattered States Era is one).

When The Shattered States Era // Nameless Conqueror 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 (The Shattered States Era is one).

1. Historian's Boon — When The Shattered States Era // Nameless Conqueror enters, Historian's Boon makes a token

an enchantment enters the battlefield — 3,743 cards in the game can cause this (The Shattered States Era is one).

When The Shattered States Era // Nameless Conqueror 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

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

a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (The Shattered States Era is one).

When The Shattered States Era // Nameless Conqueror leaves the battlefield:

1. Tokka & Rahzar, Unsupervised — puts a +1/+1 counter on itself
2. Splinter, the Mentor — makes a token
3. Rat King, Pale Piper — makes a token
4. Dual Nature — exiles a creature

a creature leaves the battlefield — 4,238 cards in the game can cause this (The Shattered States Era is one).

When The Shattered States Era // Nameless Conqueror leaves the battlefield:

1. Lunarch Veteran // Luminous Phantom — gains you 1 life
2. Extractor Demon — mills a card
3. Aang, Airbending Master — puts a counter on a permanent
4. Dour Port-Mage — draws you 1 card
5. Vela the Night-Clad — makes each opponent lose 1 life
6. Taeko, the Patient Avalanche — scries
7. Ninth Bridge Patrol — puts a +1/+1 counter on itself
8. Funeral March — makes a player sacrifice a creature
9. Sally Sparrow — triggers
10. Aang, at the Crossroads // Aang, Destined Savior — triggers

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