Teferi's Tutelage

a card is milled — 772 cards in the game can cause this (Teferi's Tutelage is one).

1. Lo and Li, Royal Advisors — When a permanent makes a player mill a card thanks to Teferi's Tutelage, Lo and Li, Royal Advisors puts a counter on an Advisor

a card is discarded — 2,042 cards in the game can cause this (Teferi's Tutelage is one).

When Teferi's Tutelage makes a player discard a card:

1. Ivora, Insatiable Heir — puts a +1/+1 counter on itself
2. Cool but Rude — deals 2 damage
3. Containment Construct — brings a card back
4. Moonstone, Harsh Mistress — brings a card back
5. Lazotep Chancellor — puts 2 counters on a Zombie or Army
6. Magmakin Artillerist — deals that much damage
7. Inti, Seneschal of the Sun — exiles a card from your library
8. Pitchstone Wall — sacrifices itself
9. Currency Converter — exiles it
10. Hostile Investigator — triggers

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

an enchantment is cast — 3,673 cards in the game can cause this (Teferi's Tutelage is one).

When Teferi's Tutelage is cast:

1. Hallowed Haunting — makes a token
2. Daxos the Returned — puts a counter on a permanent
3. Tatsunari, Toad Rider — makes a token
4. Sythis, Harvest's Hand — gains you 1 life
5. Sigil of the Empty Throne — makes a token
6. Dawnhart Geist — gains you 2 life
7. Herald of the Pantheon — gains you 1 life
8. Kami of Transience — puts a +1/+1 counter on itself
9. Argothian Enchantress — draws you 1 card
10. Mesa Enchantress — draws you 1 card

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

a nontoken enchantment enters the battlefield — 3,691 cards in the game can cause this (Teferi's Tutelage is one).

1. Historian's Boon — When Teferi's Tutelage enters, Historian's Boon makes a token

an enchantment enters the battlefield — 3,743 cards in the game can cause this.

When Teferi's Tutelage:

1. Calix, Guided by Fate — enters, Calix, Guided by Fate puts a counter on a creature
2. Elvish Archivist — enters, Elvish Archivist draws you 1 card
3. Victor, Valgavoth's Seneschal — enters, Victor, Valgavoth's Seneschal surveils
4. Strength from the Fallen — enters, Strength from the Fallen gives +X/+X, where X is the number of creature cards in your graveyard
5. Doomwake Giant — enters, Doomwake Giant shrinks a creature by -1/-1
6. Cacophony Unleashed — enters, Cacophony Unleashed turns something into a creature
7. Ghostly Dancers — enters, Ghostly Dancers makes a token
8. Thassa's Devourer — enters, Thassa's Devourer mills a card
9. Elrond, Moon-Reader — enters thanks to Elrond, Moon-Reader, it draws you 1 card
10. Killian, Decisive Mentor — enters, Killian, Decisive Mentor taps a creature
11. Thoughtrender Lamia — enters, Thoughtrender Lamia makes an opponent discard a card

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

a card is drawn — 3,815 cards in the game can cause this.

1. Temmet, Naktamun's Will — When Teferi's Tutelage makes a player draw a card, Temmet, Naktamun's Will gives +1/+1
2. Niv-Mizzet, Parun — When Teferi's Tutelage makes a player draw a card, Niv-Mizzet, Parun deals 1 damage
3. Aether Syphon — When Teferi's Tutelage makes a player draw a card, Aether Syphon mills a card
4. The Locust God — When Teferi's Tutelage makes a player draw a card, The Locust God makes a token
5. Starving Revenant — When Teferi's Tutelage makes a player draw a card, Starving Revenant makes each opponent lose 1 life
6. Diviner's Wand — When Teferi's Tutelage makes a player draw a card, Diviner's Wand gets +1/+1
7. Ominous Seas — When Teferi's Tutelage makes a player draw a card, Ominous Seas puts a foreshadow counter on itself
8. Dream Trawler — When Teferi's Tutelage makes a player draw a card, Dream Trawler gets +1/+0
9. Iron Man, Armored Avenger — When Teferi's Tutelage makes a player draw a card, Iron Man, Armored Avenger puts a counter on a creature
10. The Astonishing Ant-Man — When Teferi's Tutelage makes a player draw a card, The Astonishing Ant-Man puts a +1/+1 counter on itself
11. Pollywog Prodigy — When Pollywog Prodigy makes a player draw a card, Teferi's Tutelage mills a card
12. Master of Winds — When Master of Winds makes a player draw a card, Teferi's Tutelage mills a card
13. Windrider Wizard — When Windrider Wizard makes a player draw a card, Teferi's Tutelage mills a card
14. Era of Innovation — When Era of Innovation makes a player draw a card, Teferi's Tutelage mills a card
15. Defiler of Dreams — When Defiler of Dreams makes a player draw a card, Teferi's Tutelage mills a card
16. Candlekeep Sage — When Candlekeep Sage makes a player draw a card, Teferi's Tutelage mills a card
17. Sage of the Falls — When Sage of the Falls makes a player draw a card, Teferi's Tutelage mills a card
18. Ray Fillet, Wave Warrior — When Ray Fillet, Wave Warrior makes a player draw a card, Teferi's Tutelage mills a card
19. Dragon Wings — When Dragon Wings makes a player draw a card, Teferi's Tutelage mills a card
20. They Came from the Pipes — When They Came from the Pipes makes a player draw a card, Teferi's Tutelage mills a card

837 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 (Teferi's Tutelage is one).

1. Hedonist's Trove — Teferi's Tutelage puts cards into the graveyard that Hedonist's Trove can bring back
2. Samwise Gamgee — Teferi's Tutelage puts cards into the graveyard that Samwise Gamgee can bring back
3. Fire Nation Salvagers — Teferi's Tutelage puts cards into the graveyard that Fire Nation Salvagers can bring back
4. Bloodbond March — Teferi's Tutelage puts cards into the graveyard that Bloodbond March can bring back
5. Gale, Waterdeep Prodigy — Teferi's Tutelage puts cards into the graveyard that Gale, Waterdeep Prodigy can bring back
6. Harness the Storm — Teferi's Tutelage puts cards into the graveyard that Harness the Storm can bring back
7. Transplant Theorist — Teferi's Tutelage puts cards into the graveyard that Transplant Theorist can bring back
8. Heart-Shaped Herb — Teferi's Tutelage puts cards into the graveyard that Heart-Shaped Herb can bring back
9. Wayward Angel — Teferi's Tutelage fills your graveyard toward the 7 or more cards Wayward Angel needs
10. Sidequest: Card Collection // Magicked Card — Teferi's Tutelage fills your graveyard toward the 8 or more cards Sidequest: Card Collection // Magicked Card needs

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

anything goes to a graveyard — 7,589 cards in the game can cause this (Teferi's Tutelage is one).

When a card hits the graveyard thanks to Teferi's Tutelage:

1. The Haunt of Hightower — puts a +1/+1 counter on itself
2. Duskmantle Guildmage — makes each opponent lose 1 life
3. Vulturous Zombie — puts a +1/+1 counter on itself
4. Quest for Ancient Secrets — puts a quest counter on itself
5. Bloodchief Ascension — makes each opponent lose 2 life
6. Compost — draws you 1 card
7. Measure of Wickedness — gives an opponent control of itself
8. Energy Field — sacrifices itself

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