Powder Keg

anything leaves the battlefield — 1 card in the game can cause this (Powder Keg is one).

1. Chainer, Dementia Master — When Chainer, Dementia Master leaves the battlefield thanks to Powder Keg, it exiles a Nightmare

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

When you sacrifice Powder Keg:

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 (Powder Keg is one).

When Powder Keg 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 (Powder Keg is one).

1. Pia's Revolution — When Powder Keg is put into a graveyard from the battlefield, Pia's Revolution deals 3 damage
2. Farid, Enterprising Salvager — When Powder Keg is put into a graveyard from the battlefield, Farid, Enterprising Salvager makes a token
3. Psychomancer — When Powder Keg is put into a graveyard from the battlefield, Psychomancer makes each opponent lose 1 life
4. Sly Requisitioner — When Powder Keg is put into a graveyard from the battlefield, Sly Requisitioner makes a token
5. Slagstone Refinery — When Powder Keg is put into a graveyard from the battlefield, Slagstone Refinery makes a token
6. Ratchet, Field Medic // Ratchet, Rescue Racer — When Powder Keg is put into a graveyard from the battlefield, Ratchet, Field Medic // Ratchet, Rescue Racer triggers
7. The Master, Gallifrey's End — When a creature dies thanks to Powder Keg, The Master, Gallifrey's End exiles it

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

When Powder Keg 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 (Powder Keg is one).

When Powder Keg is put into a graveyard from the battlefield:

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

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 (Powder Keg is one).

1. Sludge Strider — When Powder Keg leaves the battlefield, Sludge Strider makes a player lose 1 life

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

Powder Keg puts cards into the graveyard that:

1. Havengul Lich — can bring back
2. Liliana the Repentant — can bring back
3. Paleoloth — can bring back
4. Chainer, Nightmare Adept — can bring back
5. Banon, the Returners' Leader — can bring back
6. Surgical Suite // Hospital Room — can bring back
7. Sword of Light and Shadow — can bring back
8. Necromantic Thirst — can bring back
9. Krile Baldesion — can bring back
10. Extus, Oriq Overlord // Awaken the Blood Avatar — can bring 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 (Powder Keg is one).

When a creature dies thanks to Powder Keg:

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

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

a permanent is put into a graveyard from the battlefield — 5,057 cards in the game can cause this (Powder Keg is one).

1. Gerrard, Weatherlight Hero — When Gerrard, Weatherlight Hero dies thanks to Powder Keg, it exiles itself

16 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 (Powder Keg is one).

1. Havi, the All-Father — Powder Keg 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.