Ob Nixilis, the Adversary

a planeswalker it grants abilities to — 312 cards in the game can cause this.

1. Way of the Deathbringer — Way of the Deathbringer gives Ob Nixilis, the Adversary an extra ability
2. Way of the Pyromancer — Way of the Pyromancer gives Ob Nixilis, the Adversary an extra ability
3. Way of the Warlord — Way of the Warlord gives Ob Nixilis, the Adversary an extra ability

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

a planeswalker is cast — 361 cards in the game can cause this (Ob Nixilis is one).

When Ob Nixilis, the Adversary is cast:

1. Jaya's Phoenix — returns itself from the graveyard
2. Interplanar Beacon — gains you 1 life
3. Defiler of Instinct — deals 1 damage
4. Defiler of Flesh — gives +1/+1
5. Primeval Bounty — puts 3 counters on a creature
6. Tetsuko Umezawa, Pursuer — gets +1/+1
7. Thor, God of Thunder — deals that spell's mana value damage
8. Krile Baldesion — brings a card back
9. Summon: Good King Mog XII — makes a token
10. Blood Funnel — sacrifices a creature

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

a planeswalker enters the battlefield — 366 cards in the game can cause this (Ob Nixilis is one).

1. Liliana the Repentant — When a Devil enters thanks to Ob Nixilis, the Adversary, Liliana the Repentant mills a card
2. Liliana the Faultless — When a Devil enters thanks to Ob Nixilis, the Adversary, Liliana the Faultless gains you 1 life
3. Builder's Talent — When Ob Nixilis, the Adversary enters, Builder's Talent puts a counter on a creature
4. Brainstealer Dragon — When a Devil enters thanks to Ob Nixilis, the Adversary, Brainstealer Dragon makes a player lose life equal to its mana value
5. Cloudstone Curio — When a Devil enters thanks to Ob Nixilis, the Adversary, Cloudstone Curio triggers

a card is discarded — 2,042 cards in the game can cause this (Ob Nixilis is one).

When a permanent makes a player discard a card thanks to Ob Nixilis, the Adversary:

1. Sangromancer — gains you 3 life
2. Lo and Li, Royal Advisors — puts a counter on an Advisor
3. Nath of the Gilt-Leaf — makes a token
4. Tourach, Dread Cantor — puts a +1/+1 counter on itself
5. Tinybones, Pocket Nuisance — deals 1 damage
6. Tinybones, Bauble Burglar — hits a graveyard
7. Fell Specter — makes each opponent lose 2 life
8. Spirit Cairn — makes a token
9. Confessor — gains you 1 life
10. Hostile Investigator — triggers

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

life is gained — 2,076 cards in the game can cause this (Ob Nixilis is one).

When Ob Nixilis, the Adversary gains life:

1. Titanbones, Towering Heart — puts 2 +1/+1 counters on itself
2. Dina, Soul Steeper — makes each opponent lose 1 life
3. Marina Vendrell's Grimoire — draws you that many cards
4. South Wind Avatar — makes each opponent lose 1 life
5. Rodolf Duskbringer — grants indestructible
6. Fiendish Panda — puts a +1/+1 counter on itself
7. Veinwitch Coven — brings a card back
8. Cleric Class — puts a counter on a creature
9. Lich's Mastery — draws you that many cards
10. Wall of Limbs — puts a +1/+1 counter on itself

84 other cards care 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. Kethek, Crucible Goliath — Ob Nixilis, the Adversary makes fodder for Kethek, Crucible Goliath
2. Industrial Advancement — Ob Nixilis, the Adversary makes fodder for Industrial Advancement
3. Divergent Transformations — Ob Nixilis, the Adversary makes fodder for Divergent Transformations
4. Transmogrify — Ob Nixilis, the Adversary makes fodder for Transmogrify

2,716 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 (Ob Nixilis is one).

When a Devil enters thanks to Ob Nixilis, the Adversary:

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 (Ob Nixilis is one).

1. Staff of the Storyteller — When Ob Nixilis, the Adversary makes a Devil 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.

life is lost — 3,160 cards in the game can cause this (Ob Nixilis is one).

1. Far Fortune, End Boss — When a permanent makes a player lose life thanks to Ob Nixilis, the Adversary, Far Fortune, End Boss raises your speed
2. Zahur, Glory's Past — When a permanent makes a player lose life thanks to Ob Nixilis, the Adversary, Zahur, Glory's Past raises your speed
3. Mendicant Core, Guidelight — When a permanent makes a player lose life thanks to Ob Nixilis, the Adversary, Mendicant Core, Guidelight raises your speed
4. Aether Syphon — When a permanent makes a player lose life thanks to Ob Nixilis, the Adversary, Aether Syphon raises your speed
5. Vnwxt, Verbose Host — When a permanent makes a player lose life thanks to Ob Nixilis, the Adversary, Vnwxt, Verbose Host raises your speed
6. Embalmed Ascendant — When a permanent makes a player lose life thanks to Ob Nixilis, the Adversary, Embalmed Ascendant raises your speed
7. Slick Imitator — When a permanent makes a player lose life thanks to Ob Nixilis, the Adversary, Slick Imitator raises your speed
8. Nesting Bot — When a permanent makes a player lose life thanks to Ob Nixilis, the Adversary, Nesting Bot raises your speed
9. Howlsquad Heavy — When a permanent makes a player lose life thanks to Ob Nixilis, the Adversary, Howlsquad Heavy raises your speed
10. Oath of Lim-Dûl — When Ob Nixilis, the Adversary makes a player lose life, Oath of Lim-Dûl sacrifices an enchantment

46 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 (Ob Nixilis is one).

When a Devil enters thanks to Ob Nixilis, the Adversary:

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 (Ob Nixilis is one).

1. Akim, the Soaring Wind — When Ob Nixilis, the Adversary makes a Devil token, Akim, the Soaring Wind makes a token

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