Legion Vanguard

anything leaves the battlefield — 1 card in the game can cause this (Legion Vanguard is one).

1. Shaun, Father of Synths — When Shaun, Father of Synths leaves the battlefield thanks to Legion Vanguard, it exiles a Synth you control
2. Chainer, Dementia Master — When Chainer, Dementia Master leaves the battlefield thanks to Legion Vanguard, it exiles a Nightmare

a creature explores — 31 cards in the game can cause this (Legion Vanguard is one).

When Legion Vanguard explores:

1. Wildgrowth Walker — puts a +1/+1 counter on itself
2. Merfolk Cave-Diver — gets +1/+0
3. Lurking Chupacabra — shrinks a creature by -2/-2
4. Shadowed Caravel — puts a +1/+1 counter on itself

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

When Legion Vanguard 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 (Legion Vanguard is one).

1. Mavren Fein, Dusk Apostle — When Legion Vanguard attacks, Mavren Fein, Dusk Apostle makes a token

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

1. Bloodlord of Vaasgoth — When Legion Vanguard is cast, Bloodlord of Vaasgoth grants bloodthirst

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

When Legion Vanguard 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 (Legion Vanguard is one).

When Legion Vanguard 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

a Soldier creature enters the battlefield — 1,279 cards in the game can cause this (Legion Vanguard is one).

1. Veteran's Armaments — When Legion Vanguard enters, Veteran's Armaments triggers

a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Legion Vanguard is one).

When you sacrifice another creature to Legion Vanguard:

1. Fumulus, the Infestation — makes a token
2. Bag of Devouring — exiles it

a creature is sacrificed — 1,741 cards in the game can cause this (Legion Vanguard is one).

When you sacrifice another creature to Legion Vanguard:

1. Ziatora, the Incinerator — deals that creature's power damage
2. Dina, Essence Brewer — draws you 1 card
3. Fleshtaker — gains you 1 life
4. Body Dropper — puts a +1/+1 counter on itself
5. Smothering Abomination — draws you 1 card
6. Kels, Fight Fixer — draws you 1 card
7. Caesar, Legion's Emperor — triggers
8. Grist, the Hunger Tide — kills a creature or planeswalker an opponent controls
9. Cabal Therapist — triggers
10. Rakdos, the Muscle — exiles a card from an opponent's library

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

a creature in a graveyard — 2,769 cards in the game can cause this (Legion Vanguard is one).

Legion Vanguard puts cards into the graveyard that:

1. Havengul Lich — can bring back
2. Liliana the Repentant — can bring back
3. Paleoloth — can bring back
4. Chainer, Nightmare Adept — can bring back
5. Banon, the Returners' Leader — can bring back
6. Surgical Suite // Hospital Room — can bring back
7. Sword of Light and Shadow — can bring back
8. Necromantic Thirst — can bring back
9. Krile Baldesion — can bring back
10. Extus, Oriq Overlord // Awaken the Blood Avatar — can bring back

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

a nontoken creature dies — 2,769 cards in the game can cause this (Legion Vanguard is one).

When you sacrifice another creature to Legion Vanguard:

1. Zahur, Glory's Past — makes a token
2. Liesa, Forgotten Archangel — brings a card back
3. Avacyn, Angel of Horror — brings a card back
4. Yedora, Grave Gardener — brings a card back
5. Nim Deathmantle — brings a card back
6. Valkyrie's Call — brings a card back
7. Decaying Soil — brings a card back
8. High-Society Hunter — draws you 1 card
9. Liliana, Heretical Healer // Liliana, Defiant Necromancer — flickers itself
10. Body Launderer — draws and discards

60 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 (Legion Vanguard is one).

1. Pious Evangel // Wayward Disciple — When you sacrifice another creature to Legion Vanguard, Pious Evangel // Wayward Disciple makes each opponent lose 1 life
2. Daxos, Blessed by the Sun — When you sacrifice another creature to Legion Vanguard, Daxos, Blessed by the Sun gains you 1 life
3. Elas il-Kor, Sadistic Pilgrim — When you sacrifice another creature to Legion Vanguard, Elas il-Kor, Sadistic Pilgrim makes each opponent lose 1 life
4. Shriveling Rot — When you sacrifice another creature to Legion Vanguard, Shriveling Rot makes a player lose life equal to its toughness
5. Boss's Chauffeur — When Boss's Chauffeur dies thanks to Legion Vanguard, it makes a token
6. Dinosaur Egg — When Dinosaur Egg dies thanks to Legion Vanguard, it triggers

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

a creature leaves the battlefield — 4,238 cards in the game can cause this (Legion Vanguard is one).

1. Ninja Teen — When you sacrifice another creature to Legion Vanguard, Ninja Teen makes each opponent lose 1 life

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

a permanent is put into a graveyard from the battlefield — 5,057 cards in the game can cause this (Legion Vanguard is one).

1. Gerrard, Weatherlight Hero — When Gerrard, Weatherlight Hero dies thanks to Legion Vanguard, it exiles itself

18 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 (Legion Vanguard is one).

1. Havi, the All-Father — Legion Vanguard fills your graveyard toward the 4 or more cards Havi, the All-Father needs

443 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 (Legion Vanguard is one).

1. Chorale of the Void — When Legion Vanguard attacks, Chorale of the Void brings a card back

220 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 (Legion Vanguard is one).

1. Grim Javelineer — When Legion Vanguard attacks, Grim Javelineer gives +1/+0

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