Way of the Pyromancer

a planeswalker it grants abilities to — 314 cards in the game can cause this (Way of the Pyromancer is one).

Way of the Pyromancer gives:

1. Garruk, Curse Breaker — an extra ability
2. Jaya, Venerated Firemage — an extra ability
3. Kiora, Behemoth Beckoner — an extra ability
4. Jeska, Thrice Reborn — an extra ability
5. Kaito, Cunning Infiltrator — an extra ability
6. Dovin, Grand Arbiter — an extra ability
7. Kaito, Dancing Shadow — an extra ability
8. Jaya, Fiery Negotiator — an extra ability
9. Basri Ket — an extra ability
10. Jace, Architect of Thought — an extra ability

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

an enchantment is cast — 3,658 cards in the game can cause this (Way of the Pyromancer is one).

When Way of the Pyromancer 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

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

a nontoken enchantment enters the battlefield — 3,676 cards in the game can cause this (Way of the Pyromancer is one).

1. Historian's Boon — When Way of the Pyromancer enters, Historian's Boon makes a token

an enchantment enters the battlefield — 3,735 cards in the game can cause this (Way of the Pyromancer is one).

When Way of the Pyromancer enters:

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

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