Origin of the Hidden Ones

a Saga in a graveyard — 186 cards in the game can cause this (Origin of the Hidden Ones is one).

When Origin of the Hidden Ones is in the graveyard:

1. Rydia, Summoner of Mist — can bring it back
2. Satsuki, the Living Lore — can bring it back

an Assassin attacks — 212 cards in the game can cause this.

1. Virulent Silencer — When Virulent Silencer attacks, Origin of the Hidden Ones makes a token
2. Vincent, Vengeful Atoner — When Vincent, Vengeful Atoner attacks, Origin of the Hidden Ones makes a token
3. Razorkin Needlehead — When Razorkin Needlehead attacks, Origin of the Hidden Ones makes a token
4. Goblin Assassin — When Goblin Assassin attacks, Origin of the Hidden Ones makes a token
5. Boilerbilges Ripper — When Boilerbilges Ripper attacks, Origin of the Hidden Ones makes a token
6. Mogg Assassin — When Mogg Assassin attacks, Origin of the Hidden Ones makes a token
7. Combustion Man — When Combustion Man attacks, Origin of the Hidden Ones makes a token
8. Pyrotechnic Performer — When Pyrotechnic Performer attacks, Origin of the Hidden Ones makes a token
9. Elektra, Femme Fatale — When Elektra, Femme Fatale attacks, Origin of the Hidden Ones makes a token
10. Deadeye Duelist — When Deadeye Duelist attacks, Origin of the Hidden Ones makes a token

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

an enchantment is sacrificed — 588 cards in the game can cause this (Origin of the Hidden Ones is one).

1. Narci, Fable Singer — When you sacrifice Origin of the Hidden Ones, Narci, Fable Singer draws you 1 card

an enchantment in a graveyard — 983 cards in the game can cause this (Origin of the Hidden Ones is one).

When Origin of the Hidden Ones is in the graveyard:

1. The Emperor of Palamecia // The Lord Master of Hell — gets bigger
2. Lotus-Eye Mystics — can bring it back
3. Builder's Talent — can bring it back
4. Tasigur, the Golden Fang — can bring it back
5. Serpent of the Pass — gets bigger
6. Emeria Shepherd — can bring it back
7. Moment of Reckoning — can bring it back
8. Muldrotha, the Gravetide — can bring it back
9. Deadbridge Chant — can bring it back
10. Invasion of Tolvada // The Broken Sky — can bring it back

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

an enchantment is put into a graveyard from the battlefield — 987 cards in the game can cause this (Origin of the Hidden Ones is one).

When Origin of the Hidden Ones is put into a graveyard from the battlefield:

1. Neva, Stalked by Nightmares — puts a +1/+1 counter on itself
2. Knight of Doves — makes a token
3. Warehouse Tabby — makes a token
4. Starfield Mystic — puts a +1/+1 counter on itself
5. Femeref Enchantress — draws you 1 card
6. Savior of the Sleeping — puts a +1/+1 counter on itself
7. Ashiok's Reaper — draws you 1 card
8. Wicked Visitor — makes each opponent lose 1 life
9. Martyr's Bond — makes an opponent sacrifice a permanent

1 other card cares about 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. Industrial Advancement — Origin of the Hidden Ones makes fodder for Industrial Advancement
2. Divergent Transformations — Origin of the Hidden Ones makes fodder for Divergent Transformations
3. Transmogrify — Origin of the Hidden Ones makes fodder for Transmogrify

2,717 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 (Origin of the Hidden Ones is one).

When an Assassin enters thanks to Origin of the Hidden Ones:

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 (Origin of the Hidden Ones is one).

1. Staff of the Storyteller — When Origin of the Hidden Ones makes an Assassin 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.

anything deals noncombat damage — 3,068 cards in the game can cause this (Origin of the Hidden Ones is one).

When Origin of the Hidden Ones deals noncombat damage:

1. Quest for Pure Flame — puts a quest counter on itself
2. Soul-Scar Mage — puts that many counters on a permanent
3. Fear of Burning Alive — deals that amount damage
4. Niv-Mizzet, Visionary — draws you that many cards
5. Chandra's Incinerator — deals that much damage
6. Chandra's Pyreling — gets +1/+0
7. Talon of Pain — puts a charge counter on itself
8. Asgardian Inspiration — returns itself from the graveyard
9. Thor, Guardian of Midgard — exiles a card from your library
10. Virtue of Courage // Embereth Blaze — exiles a card from your library

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

life is lost — 3,160 cards in the game can cause this (Origin of the Hidden Ones is one).

When Origin of the Hidden Ones makes a player lose life:

1. Far Fortune, End Boss — raises your speed
2. Zahur, Glory's Past — raises your speed
3. Mendicant Core, Guidelight — raises your speed
4. Aether Syphon — raises your speed
5. Vnwxt, Verbose Host — raises your speed
6. Embalmed Ascendant — raises your speed
7. Slick Imitator — raises your speed
8. Oath of Lim-Dûl — sacrifices an enchantment
9. Marina Vendrell's Grimoire — triggers
10. Lich's Mastery — triggers

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

anything is sacrificed — 3,450 cards in the game can cause this (Origin of the Hidden Ones is one).

1. Gorbag of Minas Morgul — When you sacrifice Origin of the Hidden Ones, Gorbag of Minas Morgul triggers

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 (Origin of the Hidden Ones is one).

When Origin of the Hidden Ones is cast:

1. Tomik, Izzet Sparkmage — gets +1/+1
2. Death to Our Enemies — makes a token
3. Hallowed Haunting — makes a token
4. Daxos the Returned — puts a counter on a permanent
5. Tatsunari, Toad Rider — makes a token
6. Sythis, Harvest's Hand — gains you 1 life
7. Sigil of the Empty Throne — makes a token
8. Dawnhart Geist — gains you 2 life
9. Herald of the Pantheon — gains you 1 life
10. Artist's Talent — draws and discards

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 (Origin of the Hidden Ones is one).

1. Historian's Boon — When Origin of the Hidden Ones enters, Historian's Boon makes a token

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

When an Assassin enters thanks to Origin of the Hidden Ones:

1. Baron Bertram Graywater — makes a token
2. Marneus Calgar — draws you 1 card

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