Horn of Valhalla // Ysgard's Call

an Adventure sorcery is cast — 77 cards in the game can cause this (Horn of Valhalla is one).

1. Lucky Clover — When Horn of Valhalla // Ysgard's Call is cast, Lucky Clover copies a spell

a nontoken Equipment enters the battlefield — 649 cards in the game can cause this (Horn of Valhalla is one).

1. Firion, Wild Rose Warrior — When Horn of Valhalla // Ysgard's Call enters, Firion, Wild Rose Warrior makes a token

an Equipment enters the battlefield — 658 cards in the game can cause this (Horn of Valhalla is one).

When Horn of Valhalla // Ysgard's Call enters:

1. Puresteel Paladin — draws you 1 card
2. Sokka and Suki — makes a token
3. Barret, Avalanche Leader — makes a token
4. The Mighty Thor, Jane Foster — draws you 1 card
5. Giott, King of the Dwarves — draws and discards
6. Hammer of Nazahn — triggers
7. Sigarda's Aid — triggers

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

a Soldier creature enters the battlefield — 1,279 cards in the game can cause this (Horn of Valhalla is one).

1. Veteran's Armaments — When a Soldier enters thanks to Horn of Valhalla // Ysgard's Call, Veteran's Armaments triggers

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

When a Soldier enters thanks to Horn of Valhalla // Ysgard's Call:

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 (Horn of Valhalla is one).

1. Staff of the Storyteller — When Horn of Valhalla // Ysgard's Call makes a Soldier 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.

a sorcery it makes cheaper to cast — 3,585 cards in the game can cause this.

1. The Wind Crystal — The Wind Crystal reduces what Horn of Valhalla // Ysgard's Call costs
2. Pearl Medallion — Pearl Medallion reduces what Horn of Valhalla // Ysgard's Call costs

3,583 other cards cause it too. These are the ones with the most connections.

an artifact is cast — 3,683 cards in the game can cause this (Horn of Valhalla is one).

When Horn of Valhalla // Ysgard's Call is cast:

1. Mendicant Core, Guidelight — copies a spell
2. Sai, Master Thopterist — makes a token
3. Ravenous Robots — makes a token
4. Pinnacle Emissary — makes a token
5. Mirrodin Besieged — makes a token
6. Poetic Ingenuity — makes a token
7. Digsite Engineer — makes a token
8. Myrsmith — makes a token
9. Riddlesmith — draws you 1 card
10. Dr. Madison Li — puts a counter on a permanent you control

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

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

When a Soldier enters thanks to Horn of Valhalla // Ysgard's Call:

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 (Horn of Valhalla is one).

When Horn of Valhalla // Ysgard's Call makes a Soldier 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.

a sorcery is cast — 3,720 cards in the game can cause this (Horn of Valhalla is one).

1. Spellweaver Volute — When Horn of Valhalla // Ysgard's Call is cast, Spellweaver Volute copies a spell

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