Leonin Vanguard

a Cat deals combat damage — 395 cards in the game can cause this (Leonin Vanguard is one).

1. Feline Sovereign — When Leonin Vanguard deals combat damage, Feline Sovereign kills an artifact or enchantment an opponent controls

a Cat attacks — 395 cards in the game can cause this (Leonin Vanguard is one).

1. Arahbo, Roar of the World — When Leonin Vanguard attacks, Arahbo, Roar of the World grants trample

a nontoken Cat enters the battlefield — 396 cards in the game can cause this (Leonin Vanguard is one).

1. Arahbo, the First Fang — When Leonin Vanguard enters, Arahbo, the First Fang makes a token

a Cat enters the battlefield — 414 cards in the game can cause this (Leonin Vanguard is one).

When Leonin Vanguard enters:

1. Qasali Slingers — kills an artifact or enchantment an opponent controls
2. Kemba, Kha Enduring — triggers

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

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

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

When Leonin Vanguard 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.

anything attacks — 17,934 cards in the game can cause this (Leonin Vanguard is one).

When Leonin Vanguard 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

117 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 (Leonin Vanguard is one).

When Leonin Vanguard 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. Anim Pakal, Thousandth Moon — puts a +1/+1 counter on itself
7. Saw — sacrifices a creature
8. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Total War — kills a creature

181 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 (Leonin Vanguard is one).

When Leonin Vanguard blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Carnage Gladiator — makes a player lose 1 life
3. Barrow-Blade — strips abilities
4. Heat of Battle — deals 1 damage
5. Battle Strain — deals 1 damage
6. Favor of the Woods — gains you 3 life
7. Tide of War — sacrifices a creature
8. Dead-Iron Sledge — kills a creature
9. Dwindle — kills a creature
10. Shield of the Righteous — triggers

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

a nontoken creature attacks — 17,934 cards in the game can cause this (Leonin Vanguard is one).

When Leonin Vanguard attacks:

1. Mardu Ascendancy — makes a token
2. Basri Ket — makes a token
3. Militia's Pride — makes a token

a creature enters the battlefield — 19,800 cards in the game can cause this (Leonin Vanguard is one).

When Leonin Vanguard enters:

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

302 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 (Leonin Vanguard is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Leonin Vanguard 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.