Ashcoat of the Shadow Swarm

put a Rat creature into a graveyard — 2 cards in the game can cause this.

1. Swarmyard Massacre — Swarmyard Massacre puts cards into the graveyard that Ashcoat of the Shadow Swarm can bring back
2. Nezumi Shadow-Watcher — When Nezumi Shadow-Watcher is in the graveyard, Ashcoat of the Shadow Swarm can bring it back

a Rat attacks — 162 cards in the game can cause this (Ashcoat of the Shadow Swarm is one).

1. Persistent Marshstalker — When Ashcoat of the Shadow Swarm attacks, Persistent Marshstalker returns itself from the graveyard

a Rat enters the battlefield — 186 cards in the game can cause this (Ashcoat of the Shadow Swarm is one).

When Ashcoat of the Shadow Swarm enters:

1. Wick, the Whorled Mind — makes a token
2. Lord Skitter, Sewer King — hits a graveyard

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

a creature leaves a graveyard — 1,302 cards in the game can cause this (Ashcoat of the Shadow Swarm is one).

When Ashcoat of the Shadow Swarm leaves a graveyard:

1. Grim Reaper's Scythe — makes a token
2. Syr Konrad, the Grim — deals 1 damage
3. Cyan, Vengeful Samurai — puts a +1/+1 counter on itself
4. Along the Crooked Way — puts a counter on a Goblin or Army
5. Skeleton Crew — makes a token
6. Desecrated Tomb — makes a token
7. Chalk Outline — makes a token
8. Insidious Roots — makes a token
9. Undead Hand Ninja — makes each opponent lose 1 life
10. Rot Farm Mortipede — gets +1/+0

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

anything leaves a graveyard — 2,503 cards in the game can cause this (Ashcoat of the Shadow Swarm is one).

When Ashcoat of the Shadow Swarm leaves a graveyard:

1. Blastoneuron — makes each opponent lose 1 life
2. Defiled Crypt // Cadaver Lab — makes a token
3. Teval, the Balanced Scale — makes a token
4. Hologram Stalker — makes a token
5. Tormod, the Desecrator — makes a token
6. Quintorius, Field Historian — makes a token
7. Garrison Excavator — makes a token
8. Amzu, Swarm's Hunger — makes a token
9. Kirol, History Buff // Pack a Punch — becomes prepared
10. Teval's Judgment — triggers

13 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 (Ashcoat of the Shadow Swarm is one).

Ashcoat of the Shadow Swarm:

1. Samwise Gamgee — puts cards into the graveyard that Samwise Gamgee can bring back
2. Bloodbond March — puts cards into the graveyard that Bloodbond March can bring back
3. Thor, God of Thunder — puts cards into the graveyard that Thor, God of Thunder can bring back
4. Gale, Waterdeep Prodigy — puts cards into the graveyard that Gale, Waterdeep Prodigy can bring back
5. Harness the Storm — puts cards into the graveyard that Harness the Storm can bring back
6. Transplant Theorist — puts cards into the graveyard that Transplant Theorist can bring back
7. Heart-Shaped Herb — puts cards into the graveyard that Heart-Shaped Herb can bring back
8. Wayward Angel — fills your graveyard toward the 7 or more cards Wayward Angel needs
9. Rescue from the Underworld — puts cards into the graveyard that Rescue from the Underworld can bring back
10. Victimize — puts cards into the graveyard that Victimize can bring back

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

anything goes to a graveyard — 7,589 cards in the game can cause this (Ashcoat of the Shadow Swarm is one).

When a card hits the graveyard thanks to Ashcoat of the Shadow Swarm:

1. Quest for Ancient Secrets — puts a quest counter on itself
2. Planar Void — hits a graveyard
3. Measure of Wickedness — gives an opponent control of itself
4. Energy Field — sacrifices itself

7 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 (Ashcoat of the Shadow Swarm is one).

When Ashcoat of the Shadow Swarm attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Grim Javelineer — gives +1/+0
4. Invisible Woman — triggers
5. Caesar, Legion's Emperor — sacrifices a creature
6. Guide of Souls — triggers
7. Campsite Cuisine — sacrifices a Food
8. Gossip's Talent — triggers
9. Banon, the Returners' Leader — draws and discards

118 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 (Ashcoat of the Shadow Swarm is one).

When Ashcoat of the Shadow Swarm attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Saw — sacrifices a creature

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

a creature blocks — 17,934 cards in the game can cause this (Ashcoat of the Shadow Swarm is one).

1. Tide of War — When Ashcoat of the Shadow Swarm blocks, Tide of War sacrifices a creature

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

a creature enters the battlefield — 19,800 cards in the game can cause this (Ashcoat of the Shadow Swarm is one).

When Ashcoat of the Shadow Swarm enters:

1. Slash, Reptile Rampager — deals 2 damage
2. Gimli of the Glittering Caves — puts counters on a permanent
3. Ray Fillet, Wave Warrior — puts a counter on itself
4. Legolas Greenleaf — puts a counter on a permanent
5. The Neutrinos — gets +1/+0
6. Wingnut, Bat on the Belfry — grants flying, haste and menace
7. Aetherstorm Roc — puts a counter on a permanent you control
8. Raphael, Most Attitude — exiles a card from your library

342 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 (Ashcoat of the Shadow Swarm is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Ashcoat of the Shadow Swarm enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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