Mother Bear

a Bear enters the battlefield — 128 cards in the game can cause this (Mother Bear is one).

1. Ayula, Queen Among Bears — When a Bear enters thanks to Mother Bear, Ayula, Queen Among Bears triggers

a creature leaves a graveyard — 1,302 cards in the game can cause this (Mother Bear is one).

When Mother Bear 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. Erebos's Titan — triggers

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

anything is exiled — 2,497 cards in the game can cause this (Mother Bear is one).

1. The War Doctor — When Mother Bear is exiled, The War Doctor puts a time counter on itself

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

anything leaves a graveyard — 2,503 cards in the game can cause this (Mother Bear is one).

When Mother Bear 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.

provide a creature to sacrifice — 2,720 cards in the game can cause this.

1. Birthing Ritual — Mother Bear makes fodder for Birthing Ritual

2,719 other cards cause it too. These are the ones with the most connections.

a creature token enters the battlefield — 2,799 cards in the game can cause this (Mother Bear is one).

When a Bear enters thanks to Mother Bear:

1. Securitron Squadron — puts a counter on a permanent
2. Anointer Priest — gains you 1 life
3. Nesting Dovehawk — puts a +1/+1 counter on itself

a creature token is created — 2,799 cards in the game can cause this (Mother Bear is one).

1. Staff of the Storyteller — When Mother Bear makes a Bear token, Staff of the Storyteller puts a story counter on itself

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

a token enters the battlefield — 3,710 cards in the game can cause this (Mother Bear is one).

When a Bear enters thanks to Mother Bear:

1. Baron Bertram Graywater — makes a token
2. Marneus Calgar — draws you 1 card
3. Belladonna Took — gains you 1 life
4. Kambal, Profiteering Mayor — makes each opponent lose 1 life
5. Lucy MacLean, Positively Armed — makes a token
6. Mister Fantastic, Reed Richards — draws you 1 card
7. Cloakwood Swarmkeeper — puts a +1/+1 counter on itself
8. Woodland Champion — puts that many +1/+1 counters on itself
9. Leonardo, the Balance — puts a counter on a creature
10. Spiritcall Enthusiast // Scrollboost — becomes prepared

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

a token is created — 3,711 cards in the game can cause this (Mother Bear is one).

When Mother Bear makes a Bear token:

1. Akim, the Soaring Wind — makes a token
2. Idol of Oblivion — draws you 1 card
3. Rosie Cotton of South Lane — puts a counter on a permanent
4. Mirkwood Bats — makes each opponent lose 1 life

17 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 (Mother Bear is one).

When Mother Bear attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Invisible Woman — triggers
4. Caesar, Legion's Emperor — sacrifices a creature
5. Guide of Souls — triggers
6. Campsite Cuisine — sacrifices a Food
7. Gossip's Talent — triggers

127 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 (Mother Bear is one).

When Mother Bear 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

200 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 (Mother Bear is one).

1. Tide of War — When Mother Bear blocks, Tide of War sacrifices a creature

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

a creature is cast — 18,010 cards in the game can cause this (Mother Bear is one).

1. God-Eternal Oketra — When Mother Bear is cast, God-Eternal Oketra makes a token

90 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 (Mother Bear is one).

1. Slash, Reptile Rampager — When a Bear enters thanks to Mother Bear, Slash, Reptile Rampager deals 2 damage
2. Ray Fillet, Wave Warrior — When Mother Bear enters, Ray Fillet, Wave Warrior puts a counter on itself
3. The Neutrinos — When a Bear enters thanks to Mother Bear, The Neutrinos gets +1/+0
4. Wingnut, Bat on the Belfry — When a Bear enters thanks to Mother Bear, Wingnut, Bat on the Belfry grants flying, haste and menace
5. Aetherstorm Roc — When a Bear enters thanks to Mother Bear, Aetherstorm Roc puts a counter on a permanent you control
6. Raphael, Most Attitude — When a Bear enters thanks to Mother Bear, Raphael, Most Attitude exiles a card from your library

336 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 (Mother Bear is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When a Bear enters thanks to Mother Bear, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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