Lightning Dragon

a Dragon creature in a graveyard — 19 cards in the game can cause this (Lightning Dragon is one).

1. Rivaz of the Claw — When Lightning Dragon is in the graveyard, Rivaz of the Claw can bring it back

a Dragon is put into a graveyard from the battlefield — 21 cards in the game can cause this (Lightning Dragon is one).

1. The Dragon-Kami Reborn // Dragon-Kami's Egg — When Lightning Dragon is put into a graveyard from the battlefield, The Dragon-Kami Reborn // Dragon-Kami's Egg triggers

a Dragon attacks — 474 cards in the game can cause this (Lightning Dragon is one).

When Lightning Dragon attacks:

1. Silumgar, the Drifting Death — shrinks a creature by -1/-1
2. Utvara Hellkite — makes a token
3. The Ur-Dragon — draws you that many cards
4. Atarka, World Render — grants double strike
5. Kolaghan, the Storm's Fury — gives +1/+0
6. Invasion of Tarkir // Defiant Thundermaw — deals 2 damage
7. Ojutai, Soul of Winter — taps a creature, artifact, enchantment, planeswalker or battle an opponent controls
8. Dromoka, the Eternal — puts a counter on a permanent

a Dragon deals combat damage — 474 cards in the game can cause this (Lightning Dragon is one).

When Lightning Dragon deals combat damage:

1. Parapet Thrasher — triggers
2. Broodcaller Scourge — puts a permanent onto the battlefield
3. Zurgo and Ojutai — triggers

a nontoken Dragon enters the battlefield — 484 cards in the game can cause this (Lightning Dragon is one).

When Lightning Dragon enters:

1. Lathliss, Dragon Queen — makes a token
2. Miirym, Sentinel Wyrm — makes a token

a Dragon it applies enters with counters to — 488 cards in the game can cause this.

1. Dragonstorm Globe — Dragonstorm Globe gives Lightning Dragon counters as it enters

487 other cards cause it too. These are the ones with the most connections.

a Dragon creature it boosts — 523 cards in the game can cause this.

1. Crucible of Fire — Crucible of Fire gives Lightning Dragon bigger stats

522 other cards cause it too. These are the ones with the most connections.

a Dragon enters the battlefield — 524 cards in the game can cause this (Lightning Dragon is one).

When Lightning Dragon enters:

1. Dragon Tempest — deals damage
2. Bloomvine Regent // Claim Territory — gains you 3 life
3. Sarkhan, Dragon Ascendant — puts a +1/+1 counter on itself
4. Ganax, Astral Hunter — makes a token
5. Scourge of Valkas — deals damage
6. Bladewing's Thrall — returns itself from the graveyard
7. Sarkhan, Soul Aflame — copies a permanent
8. Teeming Dragonstorm — triggers
9. Corroding Dragonstorm — triggers
10. Roiling Dragonstorm — triggers

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

a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Lightning Dragon is one).

When you sacrifice Lightning Dragon:

1. Fumulus, the Infestation — makes a token
2. Bag of Devouring — exiles it

a creature is sacrificed — 1,741 cards in the game can cause this (Lightning Dragon is one).

When you sacrifice Lightning Dragon:

1. Ziatora, the Incinerator — deals that creature's power damage
2. Dina, Essence Brewer — draws you 1 card
3. Fleshtaker — gains you 1 life
4. Body Dropper — puts a +1/+1 counter on itself
5. Smothering Abomination — draws you 1 card
6. Kels, Fight Fixer — draws you 1 card
7. Caesar, Legion's Emperor — triggers
8. Grist, the Hunger Tide — kills a creature or planeswalker an opponent controls
9. Cabal Therapist — triggers
10. Rakdos, the Muscle — exiles a card from an opponent's library

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

a creature in a graveyard — 2,769 cards in the game can cause this (Lightning Dragon is one).

When Lightning Dragon is in the graveyard:

1. Chainer, Dementia Master — can bring it back
2. Havengul Lich — can bring it back
3. Liliana the Repentant — can bring it back
4. Paleoloth — can bring it back
5. Chainer, Nightmare Adept — can bring it back
6. Banon, the Returners' Leader — can bring it back
7. Sword of Light and Shadow — can bring it back
8. Necromantic Thirst — can bring it back
9. Krile Baldesion — can bring it back
10. Extus, Oriq Overlord // Awaken the Blood Avatar — can bring it back

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

a nontoken creature dies — 2,769 cards in the game can cause this (Lightning Dragon is one).

When Lightning Dragon dies:

1. Zahur, Glory's Past — makes a token
2. Liesa, Forgotten Archangel — brings a card back
3. Avacyn, Angel of Horror — brings a card back
4. Yedora, Grave Gardener — brings a card back
5. Nim Deathmantle — brings a card back
6. Valkyrie's Call — brings a card back
7. Decaying Soil — brings a card back
8. High-Society Hunter — draws you 1 card

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

a creature leaves the battlefield — 4,238 cards in the game can cause this (Lightning Dragon is one).

1. Ninja Teen — When Lightning Dragon leaves the battlefield, Ninja Teen makes each opponent lose 1 life

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

a card in a graveyard — 7,589 cards in the game can cause this (Lightning Dragon is one).

1. Havi, the All-Father — Lightning Dragon fills your graveyard toward the 4 or more cards Havi, the All-Father needs

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

anything attacks — 17,934 cards in the game can cause this (Lightning Dragon is one).

When Lightning Dragon attacks:

1. Shaun, Father of Synths — makes a token
2. Surgical Suite // Hospital Room — puts a counter on a creature

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

a creature attacks — 17,934 cards in the game can cause this (Lightning Dragon is one).

1. Chorale of the Void — When Lightning Dragon attacks, Chorale of the Void brings a card back

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