Dragonspark Reactor

an artifact is sacrificed — 761 cards in the game can cause this (Dragonspark Reactor is one).

When you sacrifice Dragonspark Reactor:

1. Megatron, Tyrant // Megatron, Destructive Force — deals the sacrificed artifact's mana value damage
2. Moonstone Eulogist — puts a +1/+1 counter on itself
3. Magnetic Snuffler — puts a +1/+1 counter on itself
4. Gleaming Geardrake — puts a +1/+1 counter on itself
5. Esoteric Duplicator — makes a token
6. Biotech Specialist — deals 2 damage
7. Jaws, Relentless Predator — deals 1 damage
8. Crime Novelist — puts a +1/+1 counter on itself

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

an artifact in a graveyard — 1,226 cards in the game can cause this (Dragonspark Reactor is one).

When Dragonspark Reactor is in the graveyard:

1. Loran, Disciple of History — can bring it back
2. The Emperor of Palamecia // The Lord Master of Hell — gets bigger
3. Builder's Talent — can bring it back
4. Trading Post — can bring it back
5. Tasigur, the Golden Fang — can bring it back
6. Serpent of the Pass — gets bigger
7. Emeria Shepherd — can bring it back
8. Goblin Engineer — can bring it back
9. Daretti, Rocketeer Engineer — can bring it back
10. Scrap Welder — can bring it back

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

a nontoken artifact is put into a graveyard from the battlefield — 1,226 cards in the game can cause this (Dragonspark Reactor is one).

When Dragonspark Reactor is put into a graveyard from the battlefield:

1. Pia's Revolution — deals 3 damage
2. Farid, Enterprising Salvager — makes a token
3. Psychomancer — makes each opponent lose 1 life
4. Sly Requisitioner — makes a token
5. Slagstone Refinery — makes a token
6. Ratchet, Field Medic // Ratchet, Rescue Racer — triggers

1 other card cares about it too. These are the ones with the most connections.

an artifact goes to a graveyard — 1,250 cards in the game can cause this (Dragonspark Reactor is one).

When Dragonspark Reactor hits the graveyard:

1. Ultron the Annihilator — makes each opponent lose 1 life
2. Ultron's Auxiliary — puts a +1/+1 counter on itself

an artifact is put into a graveyard from the battlefield — 1,254 cards in the game can cause this (Dragonspark Reactor is one).

When Dragonspark Reactor is put into a graveyard from the battlefield:

1. Tezzeret's Touch — brings a card back
2. Krenko, Baron of Tin Street — makes a token
3. Syr Ginger, the Meal Ender — puts a +1/+1 counter on itself
4. Shard of the Void Dragon — puts 2 +1/+1 counters on itself
5. Ich-Tekik, Salvage Splicer — puts a +1/+1 counter on itself
6. Gremlin Infestation — makes a token
7. Summoning Station — untaps itself
8. Marionette Master — makes each opponent lose life equal to this creature's power
9. Fangren Marauder — gains you 5 life
10. Disciple of the Vault — makes each opponent lose 1 life

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

an artifact leaves the battlefield — 1,680 cards in the game can cause this (Dragonspark Reactor is one).

1. Sludge Strider — When Dragonspark Reactor leaves the battlefield, Sludge Strider makes a player lose 1 life

anything deals noncombat damage — 3,068 cards in the game can cause this (Dragonspark Reactor is one).

When Dragonspark Reactor deals noncombat damage:

1. Quest for Pure Flame — puts a quest counter on itself
2. Soul-Scar Mage — puts that many counters on a permanent
3. Fear of Burning Alive — deals that amount damage
4. Niv-Mizzet, Visionary — draws you that many cards
5. Chandra's Incinerator — deals that much damage
6. Chandra's Pyreling — gets +1/+0
7. Talon of Pain — puts a charge counter on itself
8. Asgardian Inspiration — returns itself from the graveyard
9. Thor, Guardian of Midgard — exiles a card from your library
10. Virtue of Courage // Embereth Blaze — exiles a card from your library

36 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 (Dragonspark Reactor is one).

When Dragonspark Reactor makes a player lose life:

1. Far Fortune, End Boss — raises your speed
2. Zahur, Glory's Past — raises your speed
3. Mendicant Core, Guidelight — raises your speed
4. Aether Syphon — raises your speed
5. Vnwxt, Verbose Host — raises your speed
6. Embalmed Ascendant — raises your speed
7. Slick Imitator — raises your speed
8. Oath of Lim-Dûl — sacrifices an enchantment
9. Marina Vendrell's Grimoire — triggers

47 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 (Dragonspark Reactor is one).

When Dragonspark Reactor is cast:

1. Tomik, Izzet Sparkmage — gets +1/+1
2. Artist's Talent — draws and discards

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

put an artifact onto the battlefield — 4,643 cards in the game can cause this.

1. Rose Room Treasurer — When a Treasure enters thanks to Rose Room Treasurer, Dragonspark Reactor puts a charge counter on itself
2. Gimli of the Glittering Caves — When a Treasure enters thanks to Gimli of the Glittering Caves, Dragonspark Reactor puts a charge counter on itself
3. Ivora, Insatiable Heir — When a Blood enters thanks to Ivora, Insatiable Heir, Dragonspark Reactor puts a charge counter on itself
4. Professional Face-Breaker — When a Treasure enters thanks to Professional Face-Breaker, Dragonspark Reactor puts a charge counter on itself
5. Knuckles the Echidna — When a Treasure enters thanks to Knuckles the Echidna, Dragonspark Reactor puts a charge counter on itself
6. Duchess, Wayward Tavernkeep — When a Junk enters thanks to Duchess, Wayward Tavernkeep, Dragonspark Reactor puts a charge counter on itself
7. Puppet Master, String Puller — When a Treasure enters thanks to Puppet Master, String Puller, Dragonspark Reactor puts a charge counter on itself
8. J. Jonah Jameson — When a Treasure enters thanks to J. Jonah Jameson, Dragonspark Reactor puts a charge counter on itself
9. Alicia Masters, Skilled Sculptor — When a Treasure enters thanks to Alicia Masters, Skilled Sculptor, Dragonspark Reactor puts a charge counter on itself
10. Prompto Argentum — When a Treasure enters thanks to Prompto Argentum, Dragonspark Reactor puts a charge counter on itself

4,633 other cards cause it too. These are the ones with the most connections.

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

1. Charnelhoard Wurm — When Dragonspark Reactor is in the graveyard, Charnelhoard Wurm can bring it back

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

a creature is dealt damage — 18,923 cards in the game can cause this (Dragonspark Reactor is one).

1. Soul Link — When a creature is dealt damage thanks to Dragonspark Reactor, Soul Link gains you that much life

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