Aphelia, Viper Whisperer

an Assassin deals combat damage — 212 cards in the game can cause this (Aphelia is one).

When Aphelia, Viper Whisperer deals combat damage:

1. Layla Hassan — brings a card back
2. Ezio, Blade of Vengeance — draws you 1 card
3. Etrata, Deadly Fugitive — triggers
4. Jacob Frye — exiles a card from your graveyard

an Assassin attacks — 212 cards in the game can cause this (Aphelia is one).

When Aphelia, Viper Whisperer attacks:

1. The Revelations of Ezio — puts a counter on a permanent
2. Origin of the Hidden Ones — makes a token

an Assassin creature it grants types to — 219 cards in the game can cause this.

1. Reaper's Scythe — Reaper's Scythe gives Aphelia, Viper Whisperer an extra creature type

218 other cards cause 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 — Aphelia, Viper Whisperer 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 (Aphelia is one).

When a Snake enters thanks to Aphelia, Viper Whisperer:

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 (Aphelia is one).

1. Staff of the Storyteller — When Aphelia, Viper Whisperer makes a Snake 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.

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

When Aphelia, Viper Whisperer makes a player lose life:

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. Oath of Lim-Dûl — sacrifices an enchantment
9. Marina Vendrell's Grimoire — triggers
10. Lich's Mastery — triggers

46 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 (Aphelia is one).

When a Snake enters thanks to Aphelia, Viper Whisperer:

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 (Aphelia is one).

When Aphelia, Viper Whisperer makes a Snake 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 (Aphelia is one).

When Aphelia, Viper Whisperer 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

122 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 (Aphelia is one).

When Aphelia, Viper Whisperer 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

198 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 (Aphelia is one).

1. Tide of War — When Aphelia, Viper Whisperer 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 (Aphelia is one).

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

334 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 (Aphelia is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When a Snake enters thanks to Aphelia, Viper Whisperer, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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