Barrowin of Clan Undurr

a Dwarf deals combat damage — 221 cards in the game can cause this (Barrowin of Clan Undurr is one).

1. Thorin, Company's Leader — When Barrowin of Clan Undurr deals combat damage, Thorin, Company's Leader makes 2 tokens

a nontoken Dwarf enters the battlefield — 222 cards in the game can cause this (Barrowin of Clan Undurr is one).

1. Fíli the Pathfinder — When Barrowin of Clan Undurr enters, Fíli the Pathfinder makes a token

a Dwarf enters the battlefield — 229 cards in the game can cause this (Barrowin of Clan Undurr is one).

When Barrowin of Clan Undurr enters:

1. Thorin, King of Durin's Folk — makes a token
2. Kíli the Resourceful — draws you 1 card
3. Giott, King of the Dwarves — draws and discards
4. Balin, Loremaster — draws and discards

a Cleric enters the battlefield — 722 cards in the game can cause this (Barrowin of Clan Undurr is one).

1. Cleric of Life's Bond — When Barrowin of Clan Undurr enters, Cleric of Life's Bond gains you 1 life

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 (Barrowin of Clan Undurr is one).

When a creature leaves a graveyard thanks to Barrowin of Clan Undurr:

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 (Barrowin of Clan Undurr is one).

When a creature leaves a graveyard thanks to Barrowin of Clan Undurr:

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.

put a creature into a graveyard — 2,769 cards in the game can cause this.

1. Foot Chopper — Foot Chopper puts cards into the graveyard that Barrowin of Clan Undurr can bring back
2. Blasting Station — Blasting Station puts cards into the graveyard that Barrowin of Clan Undurr can bring back
3. Lethal Vapors — Lethal Vapors puts cards into the graveyard that Barrowin of Clan Undurr can bring back
4. Grave Peril — Grave Peril puts cards into the graveyard that Barrowin of Clan Undurr can bring back
5. Spreading Plague — Spreading Plague puts cards into the graveyard that Barrowin of Clan Undurr can bring back
6. Hot Soup — Hot Soup puts cards into the graveyard that Barrowin of Clan Undurr can bring back
7. Cracked Skull — Cracked Skull puts cards into the graveyard that Barrowin of Clan Undurr can bring back
8. Sporogenic Infection — Sporogenic Infection puts cards into the graveyard that Barrowin of Clan Undurr can bring back
9. Mire Blight — Mire Blight puts cards into the graveyard that Barrowin of Clan Undurr can bring back
10. Death Pits of Rath — Death Pits of Rath puts cards into the graveyard that Barrowin of Clan Undurr can bring back

2,759 other cards cause it too. These are the ones with the most connections.

anything attacks — 17,934 cards in the game can cause this (Barrowin of Clan Undurr is one).

When Barrowin of Clan Undurr 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
10. Toph, Earthbending Master — puts a counter on a permanent

114 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 (Barrowin of Clan Undurr is one).

When Barrowin of Clan Undurr attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
5. Chorale of the Void — brings a card back
6. Saw — sacrifices a creature
7. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
8. Ultima Weapon — kills a creature an opponent controls
9. Total War — kills a creature

183 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 (Barrowin of Clan Undurr is one).

When Barrowin of Clan Undurr blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Tide of War — sacrifices a creature
3. Dead-Iron Sledge — kills a creature
4. Dwindle — kills a creature

24 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 (Barrowin of Clan Undurr is one).

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

309 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 (Barrowin of Clan Undurr is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When a creature enters thanks to Barrowin of Clan Undurr, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself
2. Ivora, Insatiable Heir — When Ivora, Insatiable Heir enters thanks to Barrowin of Clan Undurr, it makes a token

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