Arnyn, Deathbloom Botanist

a Vampire attacks — 484 cards in the game can cause this (Arnyn is one).

When Arnyn, Deathbloom Botanist attacks:

1. Glass-Cast Heart — makes a token
2. Sanctum Seeker — makes each opponent lose 1 life

a nontoken Vampire attacks — 484 cards in the game can cause this (Arnyn is one).

1. Mavren Fein, Dusk Apostle — When Arnyn, Deathbloom Botanist attacks, Mavren Fein, Dusk Apostle makes a token

a Vampire creature is cast — 484 cards in the game can cause this (Arnyn is one).

1. Bloodlord of Vaasgoth — When Arnyn, Deathbloom Botanist is cast, Bloodlord of Vaasgoth grants bloodthirst

a Vampire deals combat damage — 484 cards in the game can cause this (Arnyn is one).

When Arnyn, Deathbloom Botanist deals combat damage:

1. Rakish Heir — puts a counter on a permanent
2. Stensia Masquerade — puts a counter on a permanent

a Vampire enters the battlefield — 500 cards in the game can cause this (Arnyn is one).

When Arnyn, Deathbloom Botanist enters:

1. Anje, Maid of Dishonor — makes a token
2. Forerunner of the Legion — gives +1/+1
3. Markov Enforcer — deals damage
4. Evelyn, the Covetous — exiles a card from a library

life is gained — 2,076 cards in the game can cause this (Arnyn is one).

When Arnyn, Deathbloom Botanist gains life:

1. Dina, Soul Steeper — makes each opponent lose 1 life
2. Marina Vendrell's Grimoire — draws you that many cards
3. South Wind Avatar — makes each opponent lose 1 life
4. Rodolf Duskbringer — grants indestructible
5. Fiendish Panda — puts a +1/+1 counter on itself
6. Veinwitch Coven — brings a card back
7. Cleric Class — puts a counter on a creature
8. Lich's Mastery — draws you that many cards
9. Wall of Limbs — puts a +1/+1 counter on itself
10. Ratchet, Field Medic // Ratchet, Rescue Racer — triggers

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

a creature dies — 2,830 cards in the game can cause this.

1. Ghoulish Procession — When a Zombie dies thanks to Ghoulish Procession, Arnyn, Deathbloom Botanist makes each opponent lose 2 life
2. Jadar, Ghoulcaller of Nephalia — When a Zombie dies thanks to Jadar, Ghoulcaller of Nephalia, Arnyn, Deathbloom Botanist makes each opponent lose 2 life
3. Hobbling Zombie — When a Zombie dies thanks to Hobbling Zombie, Arnyn, Deathbloom Botanist makes each opponent lose 2 life
4. Amulet of Safekeeping — When a creature dies thanks to Amulet of Safekeeping, Arnyn, Deathbloom Botanist makes each opponent lose 2 life
5. Bloodline Culling — When a creature dies thanks to Bloodline Culling, Arnyn, Deathbloom Botanist makes each opponent lose 2 life
6. Illness in the Ranks — When a creature dies thanks to Illness in the Ranks, Arnyn, Deathbloom Botanist makes each opponent lose 2 life
7. Virulent Plague — When a creature dies thanks to Virulent Plague, Arnyn, Deathbloom Botanist makes each opponent lose 2 life

2,823 other cards cause it too. These are the ones with the most connections.

life is lost — 3,160 cards in the game can cause this (Arnyn is one).

When a permanent makes a player lose life thanks to Arnyn, Deathbloom Botanist:

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. Nesting Bot — raises your speed
9. Howlsquad Heavy — raises your speed
10. Hour of Victory — raises your speed

46 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 (Arnyn is one).

When Arnyn, Deathbloom Botanist attacks:

1. Temmet, Naktamun's Will — draws you 1 card
2. Grim Javelineer — gives +1/+0
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
8. Banon, the Returners' Leader — draws and discards
9. Toph, Earthbending Master — puts a counter on a permanent
10. Three Dog, Galaxy News DJ — sacrifices an Aura

116 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 (Arnyn is one).

When Arnyn, Deathbloom Botanist 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

182 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 (Arnyn is one).

When Arnyn, Deathbloom Botanist 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

25 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 (Arnyn is one).

When Arnyn, Deathbloom Botanist 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

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 (Arnyn is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Arnyn, Deathbloom Botanist enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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