Sylvan Advocate

an Ally deals combat damage — 265 cards in the game can cause this (Sylvan Advocate is one).

1. Invasion Tactics — When Sylvan Advocate deals combat damage, Invasion Tactics draws you 1 card

an Ally enters the battlefield — 285 cards in the game can cause this (Sylvan Advocate is one).

When Sylvan Advocate enters:

1. Turntimber Ranger — makes a token
2. Grovetender Druids — makes a token
3. Halimar Excavator — mills a card
4. Kalastria Healer — makes each opponent lose 1 life
5. South Pole Voyager — gains you 1 life
6. Ondu Cleric — gains you life
7. Tuktuk Grunts — puts a +1/+1 counter on itself
8. Sokka and Suki — triggers
9. Tuktuk Scrapper — kills an artifact an opponent controls
10. Bala Ged Thief — triggers

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

an Elf attacks — 723 cards in the game can cause this (Sylvan Advocate is one).

When Sylvan Advocate attacks:

1. Celeborn the Wise — scries
2. Tyvar the Bellicose — grants deathtouch
3. Harald Unites the Elves — shrinks a creature by -1/-1
4. Arboreal Alliance — triggers

a nontoken Elf enters the battlefield — 728 cards in the game can cause this (Sylvan Advocate is one).

1. Wirewood Hivemaster — When Sylvan Advocate enters, Wirewood Hivemaster makes a token

an Elf enters the battlefield — 752 cards in the game can cause this (Sylvan Advocate is one).

When Sylvan Advocate enters:

1. Wolverine Riders — gains you its toughness life
2. Elvish Warmaster — makes a token
3. Elvish Vanguard — puts a +1/+1 counter on itself
4. Marwyn, the Nurturer — puts a +1/+1 counter on itself
5. Woodland Weavemaster — gets +1/+1
6. High Perfect Morcant — puts a counter on a permanent an opponent controls
7. Maralen, Fae Ascendant — exiles a card from an opponent's library

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

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

When Sylvan Advocate 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

490 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 (Sylvan Advocate is one).

When Sylvan Advocate 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
9. Path of Mettle // Metzali, Tower of Triumph — triggers
10. Total War — kills a creature

845 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 (Sylvan Advocate is one).

When Sylvan Advocate 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. Tide of War — sacrifices a creature
5. Dead-Iron Sledge — kills a creature
6. Dwindle — kills a creature
7. Shield of the Righteous — triggers

134 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 (Sylvan Advocate is one).

When Sylvan Advocate 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 (Sylvan Advocate is one).

When Sylvan Advocate enters:

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

3,030 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 (Sylvan Advocate is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Sylvan Advocate enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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