The One Ring

life is gained — 2,076 cards in the game can cause this (The One Ring is one).

When The One Ring gains life:

1. Dina, Soul Steeper — makes each opponent lose 1 life
2. Marina Vendrell's Grimoire — draws you that many cards
3. South Wind Avatar — makes each opponent lose 1 life
4. Rodolf Duskbringer — grants indestructible
5. Fiendish Panda — puts a +1/+1 counter on itself
6. Veinwitch Coven — brings a card back
7. Cleric Class — puts a counter on a creature
8. Lich's Mastery — draws you that many cards
9. Wall of Limbs — puts a +1/+1 counter on itself
10. Ratchet, Field Medic // Ratchet, Rescue Racer — triggers

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

life is lost — 3,160 cards in the game can cause this (The One Ring is one).

When The One Ring makes a player lose life:

1. The Master of Lake-town — mills a card
2. Intermediate Chirography — puts a counter on a creature
3. Vilis, Broker of Blood — draws you that many cards
4. Vengeful Warchief — puts a +1/+1 counter on itself
5. Wax-Wane Witness — gets +1/+0
6. Moonstone Harbinger — gives +1/+0
7. Transcendence — gains you life
8. Oath of Lim-Dûl — sacrifices an enchantment
9. Lich's Tomb — sacrifices a permanent
10. Gonti's Machinations — puts a counter on a permanent you control

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

an artifact is cast — 3,683 cards in the game can cause this (The One Ring is one).

When The One Ring 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 (The One Ring is one).

When The One Ring 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 (The One Ring is one).

When The One Ring makes a player draw a card:

1. Aether Syphon — mills a card
2. Temmet, Naktamun's Will — gives +1/+1
3. Niv-Mizzet, Parun — deals 1 damage
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.

anything gets a counter — 4,415 cards in the game can cause this (The One Ring is one).

1. All Will Be One — When The One Ring gets a counter, All Will Be One deals that much damage

7 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 (The One Ring is one).

When The One Ring 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

57 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 (The One Ring is one).

1. Era of Innovation — When The One Ring enters, Era of Innovation puts a counter on a permanent you control

48 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 (The One Ring is one).

1. Sokka, Bold Boomeranger — When The One Ring is cast, Sokka, Bold Boomeranger puts a +1/+1 counter on itself

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