Well of Lost Dreams

gain life — 2,076 cards in the game can cause this.

1. Angelheart Vial — When Angelheart Vial gains life, Well of Lost Dreams draws you X cards
2. Sun Droplet — When Sun Droplet gains life, Well of Lost Dreams draws you X cards
3. Sword of Light and Shadow — When Sword of Light and Shadow gains life, Well of Lost Dreams draws you X cards
4. Bontu's Monument — When Bontu's Monument gains life, Well of Lost Dreams draws you X cards
5. Sword of War and Peace — When Sword of War and Peace gains life, Well of Lost Dreams draws you X cards
6. Umezawa's Jitte — When Umezawa's Jitte gains life, Well of Lost Dreams draws you X cards
7. Wandering Archaic // Explore the Vastlands — When Wandering Archaic // Explore the Vastlands gains life, Well of Lost Dreams draws you X cards
8. Chrome Companion — When Chrome Companion gains life, Well of Lost Dreams draws you X cards
9. Potioner's Trove — When Potioner's Trove gains life, Well of Lost Dreams draws you X cards
10. Campfire — When Campfire gains life, Well of Lost Dreams draws you X cards

2,066 other cards cause it too. These are the ones with the most connections.

an artifact is cast — 3,683 cards in the game can cause this (Well of Lost Dreams is one).

When Well of Lost Dreams is cast:

1. Mendicant Core, Guidelight — copies a spell
2. Sai, Master Thopterist — makes a token
3. Ravenous Robots — makes a token
4. Pinnacle Emissary — makes a token
5. Mirrodin Besieged — makes a token
6. Poetic Ingenuity — makes a token
7. Digsite Engineer — makes a token
8. Myrsmith — makes a token
9. Riddlesmith — draws you 1 card
10. Dr. Madison Li — puts a counter on a permanent you control

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

a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Well of Lost Dreams is one).

When Well of Lost Dreams enters:

1. Ultron, Artificial Malevolence — makes a token
2. The Prydwen, Steel Flagship — makes a token
3. Conquest Mission — puts a quest counter on itself
4. Surge Conductor — proliferates
5. Replication Specialist — makes a token
6. Weapons Manufacturing — makes a token
7. Mirrorworks — makes a token

a card is drawn — 3,815 cards in the game can cause this (Well of Lost Dreams is one).

When Well of Lost Dreams makes a player draw a card:

1. Temmet, Naktamun's Will — gives +1/+1
2. Niv-Mizzet, Parun — deals 1 damage
3. Aether Syphon — mills a card
4. The Locust God — makes a token
5. Starving Revenant — makes each opponent lose 1 life
6. Diviner's Wand — gets +1/+1
7. Ominous Seas — puts a foreshadow counter on itself
8. Dream Trawler — gets +1/+0
9. Iron Man, Armored Avenger — puts a counter on a creature
10. The Astonishing Ant-Man — puts a +1/+1 counter on itself

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

an artifact enters the battlefield — 4,643 cards in the game can cause this (Well of Lost Dreams is one).

When Well of Lost Dreams enters:

1. Transplant Theorist — draws you 1 card
2. Elvish Archivist — puts 2 +1/+1 counters on itself
3. Golbez, Crystal Collector — surveils
4. Sludge Strider — makes a player lose 1 life
5. Underhanded Designs — makes each opponent lose 1 life
6. Mechan Assembler — makes a token
7. Glassdust Hulk — gets +1/+1
8. Rook Turret — draws you 1 card
9. Hedron Detonator — deals 1 damage
10. Pactdoll Terror — makes each opponent lose 1 life

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

anything enters the battlefield — 26,499 cards in the game can cause this (Well of Lost Dreams is one).

When Well of Lost Dreams enters:

1. HYDRA Assault Robot — deals 1 damage
2. Era of Innovation — puts a counter on a permanent you control

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

anything is cast — 31,128 cards in the game can cause this (Well of Lost Dreams is one).

When Well of Lost Dreams is cast:

1. Sokka, Bold Boomeranger — puts a +1/+1 counter on itself
2. Saheeli, Radiant Creator — puts a counter on a permanent you control

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