Arboreal Alliance

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

1. Orchard Warden — When a Treefolk enters thanks to Arboreal Alliance, Orchard Warden gains you that creature's toughness life

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

1. Quickbeam, Upstart Ent — When a Treefolk enters thanks to Arboreal Alliance, Quickbeam, Upstart Ent gives +2/+2

an Elf attacks — 723 cards in the game can cause this.

1. Gala Greeters — When Gala Greeters attacks, Arboreal Alliance triggers
2. Legolas Greenleaf — When Legolas Greenleaf attacks, Arboreal Alliance triggers
3. Ivy Lane Denizen — When Ivy Lane Denizen attacks, Arboreal Alliance triggers
4. Selvala, Heart of the Wilds — When Selvala, Heart of the Wilds attacks, Arboreal Alliance triggers
5. Essence Warden — When Essence Warden attacks, Arboreal Alliance triggers
6. Virulent Emissary — When Virulent Emissary attacks, Arboreal Alliance triggers
7. Gyre Sage — When Gyre Sage attacks, Arboreal Alliance triggers
8. Wildborn Preserver — When Wildborn Preserver attacks, Arboreal Alliance triggers
9. Llanowar Stalker — When Llanowar Stalker attacks, Arboreal Alliance triggers
10. Primal Forcemage — When Primal Forcemage attacks, Arboreal Alliance triggers

713 other cards cause it too. These are the ones with the most connections.

provide a creature to sacrifice — 2,720 cards in the game can cause this.

1. Birthing Ritual — Arboreal Alliance makes fodder for Birthing Ritual

2,719 other cards cause it too. These are the ones with the most connections.

a creature token enters the battlefield — 2,799 cards in the game can cause this (Arboreal Alliance is one).

When a Treefolk enters thanks to Arboreal Alliance:

1. Securitron Squadron — puts a counter on a permanent
2. Anointer Priest — gains you 1 life
3. Nesting Dovehawk — puts a +1/+1 counter on itself

a creature token is created — 2,799 cards in the game can cause this (Arboreal Alliance is one).

1. Staff of the Storyteller — When Arboreal Alliance makes a Treefolk token, Staff of the Storyteller puts a story counter on itself

3 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 (Arboreal Alliance is one).

When Arboreal Alliance 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 (Arboreal Alliance is one).

1. Historian's Boon — When Arboreal Alliance enters, Historian's Boon makes a token

a token enters the battlefield — 3,710 cards in the game can cause this (Arboreal Alliance is one).

When a Treefolk enters thanks to Arboreal Alliance:

1. Baron Bertram Graywater — makes a token
2. Marneus Calgar — draws you 1 card
3. Belladonna Took — gains you 1 life
4. Kambal, Profiteering Mayor — makes each opponent lose 1 life
5. Lucy MacLean, Positively Armed — makes a token
6. Mister Fantastic, Reed Richards — draws you 1 card
7. Cloakwood Swarmkeeper — puts a +1/+1 counter on itself
8. Woodland Champion — puts that many +1/+1 counters on itself
9. Leonardo, the Balance — puts a counter on a creature
10. Spiritcall Enthusiast // Scrollboost — becomes prepared

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

a token is created — 3,711 cards in the game can cause this (Arboreal Alliance is one).

When Arboreal Alliance makes a Treefolk token:

1. Akim, the Soaring Wind — makes a token
2. Idol of Oblivion — draws you 1 card
3. Rosie Cotton of South Lane — puts a counter on a permanent
4. Mirkwood Bats — makes each opponent lose 1 life

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

an enchantment enters the battlefield — 3,743 cards in the game can cause this (Arboreal Alliance is one).

When Arboreal Alliance 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. Cacophony Unleashed — turns something into a creature
7. Ghostly Dancers — makes a token
8. Thassa's Devourer — mills a card
9. Killian, Decisive Mentor — taps a creature
10. Thoughtrender Lamia — makes an opponent discard a card

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

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

1. Airbender Ascension — When a Treefolk enters thanks to Arboreal Alliance, Airbender Ascension puts a quest counter on itself
2. Lunarch Veteran // Luminous Phantom — When a Treefolk enters thanks to Arboreal Alliance, Lunarch Veteran // Luminous Phantom gains you 1 life
3. Pious Evangel // Wayward Disciple — When a Treefolk enters thanks to Arboreal Alliance, Pious Evangel // Wayward Disciple gains you 1 life
4. Daxos, Blessed by the Sun — When a Treefolk enters thanks to Arboreal Alliance, Daxos, Blessed by the Sun gains you 1 life
5. Elas il-Kor, Sadistic Pilgrim — When a Treefolk enters thanks to Arboreal Alliance, Elas il-Kor, Sadistic Pilgrim gains you 1 life
6. Glaring Fleshraker — When a creature enters thanks to Arboreal Alliance, Glaring Fleshraker deals 1 damage
7. Blasting Station — When a Treefolk enters thanks to Arboreal Alliance, Blasting Station untaps itself
8. Mogg Bombers — When a Treefolk enters thanks to Arboreal Alliance, Mogg Bombers sacrifices itself
9. Flame-Kin War Scout — When a Treefolk enters thanks to Arboreal Alliance, Flame-Kin War Scout sacrifices itself
10. Monkey Cage — When a Treefolk enters thanks to Arboreal Alliance, Monkey Cage sacrifices itself

341 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 (Arboreal Alliance is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When a Treefolk enters thanks to Arboreal Alliance, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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