Herbology Instructor // Malady Invoker

a creature transforms — 105 cards in the game can cause this.

When Herbology Instructor // Malady Invoker:

1. Sygg, Wanderwine Wisdom // Sygg, Wanderbrine Shield — transforms, Sygg, Wanderwine Wisdom // Sygg, Wanderbrine Shield grants a keyword
2. Accursed Witch // Infectious Curse — transforms thanks to Accursed Witch // Infectious Curse, it shrinks a creature
3. Neglected Heirloom // Ashmouth Blade — transforms, Neglected Heirloom // Ashmouth Blade triggers

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

a Treefolk attacks — 165 cards in the game can cause this (Herbology Instructor is one).

1. Fangorn, Tree Shepherd — When Herbology Instructor // Malady Invoker attacks, Fangorn, Tree Shepherd adds that much mana

a Treefolk creature enters the battlefield — 172 cards in the game can cause this (Herbology Instructor is one).

1. Orchard Warden — When Herbology Instructor // Malady Invoker enters, Orchard Warden gains you that creature's toughness life

a Treefolk enters the battlefield — 174 cards in the game can cause this (Herbology Instructor is one).

1. Quickbeam, Upstart Ent — When Herbology Instructor // Malady Invoker enters, Quickbeam, Upstart Ent gives +2/+2

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

When Herbology Instructor // Malady Invoker 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 attacks — 17,934 cards in the game can cause this (Herbology Instructor is one).

When Herbology Instructor // Malady Invoker 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. Alluring Suitor // Deadly Dancer — triggers
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

180 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 (Herbology Instructor is one).

When Herbology Instructor // Malady Invoker 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

116 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 (Herbology Instructor is one).

When Herbology Instructor // Malady Invoker 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

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

a creature deals combat damage — 17,934 cards in the game can cause this (Herbology Instructor is one).

1. Primo, the Unbounded — When Herbology Instructor // Malady Invoker deals combat damage, Primo, the Unbounded makes a token

196 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 (Herbology Instructor is one).

When Herbology Instructor // Malady Invoker 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 (Herbology Instructor is one).

When Herbology Instructor // Malady Invoker enters:

1. Slash, Reptile Rampager — deals 2 damage
2. The Neutrinos — gets +1/+0
3. Wingnut, Bat on the Belfry — grants flying, haste and menace
4. Aetherstorm Roc — puts a counter on a permanent you control
5. 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 (Herbology Instructor is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Herbology Instructor // Malady Invoker enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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