Phantasmal Sphere

an Illusion is put into a graveyard from the battlefield — 24 cards in the game can cause this (Phantasmal Sphere is one).

1. Minn, Wily Illusionist — When Phantasmal Sphere is put into a graveyard from the battlefield, Minn, Wily Illusionist puts a creature onto the battlefield

a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Phantasmal Sphere is one).

When you sacrifice Phantasmal Sphere:

1. Fumulus, the Infestation — makes a token
2. Bag of Devouring — exiles it

a creature is sacrificed — 1,741 cards in the game can cause this (Phantasmal Sphere is one).

When you sacrifice Phantasmal Sphere:

1. Ziatora, the Incinerator — deals that creature's power damage
2. Dina, Essence Brewer — draws you 1 card
3. Fleshtaker — gains you 1 life
4. Body Dropper — puts a +1/+1 counter on itself
5. Smothering Abomination — draws you 1 card
6. Kels, Fight Fixer — draws you 1 card
7. Caesar, Legion's Emperor — triggers
8. Grist, the Hunger Tide — kills a creature or planeswalker an opponent controls
9. Cabal Therapist — triggers
10. Rakdos, the Muscle — exiles a card from an opponent's library

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

a creature gets a counter — 2,691 cards in the game can cause this (Phantasmal Sphere is one).

When Phantasmal Sphere gets a counter:

1. Hollowmurk Siege — draws you 1 card
2. Ant-Man, Colony Commander — makes a token
3. Earth Kingdom General — gains you that much life
4. Casey Jones, Back Alley Brute — deals that much damage
5. Generous Patron — draws you 1 card
6. Shalai and Hallar — deals that much damage
7. Danny Pink — draws you 1 card
8. Enduring Scalelord — puts a +1/+1 counter on itself
9. Bold Plagiarist — puts counters on a permanent
10. Mikey & Leo, Chaos & Order — draws you 1 card

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

a creature in a graveyard — 2,769 cards in the game can cause this (Phantasmal Sphere is one).

When Phantasmal Sphere is in the graveyard:

1. Chainer, Dementia Master — can bring it back
2. Havengul Lich — can bring it back
3. Liliana the Repentant — can bring it back
4. Paleoloth — can bring it back
5. Chainer, Nightmare Adept — can bring it back
6. Banon, the Returners' Leader — can bring it back
7. Surgical Suite // Hospital Room — can bring it back
8. Sword of Light and Shadow — can bring it back
9. Necromantic Thirst — can bring it back
10. Krile Baldesion — can bring it back

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

a nontoken creature dies — 2,769 cards in the game can cause this (Phantasmal Sphere is one).

When Phantasmal Sphere dies:

1. Zahur, Glory's Past — makes a token
2. Liesa, Forgotten Archangel — brings a card back
3. Avacyn, Angel of Horror — brings a card back
4. Yedora, Grave Gardener — brings a card back
5. Nim Deathmantle — brings a card back
6. Valkyrie's Call — brings a card back
7. Decaying Soil — brings a card back
8. High-Society Hunter — draws you 1 card
9. Liliana, Heretical Healer // Liliana, Defiant Necromancer — flickers itself
10. Body Launderer — draws and discards

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

a creature dies — 2,830 cards in the game can cause this (Phantasmal Sphere is one).

When Phantasmal Sphere dies:

1. Pious Evangel // Wayward Disciple — makes each opponent lose 1 life
2. Daxos, Blessed by the Sun — gains you 1 life

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

a creature leaves the battlefield — 4,238 cards in the game can cause this (Phantasmal Sphere is one).

1. Ninja Teen — When Phantasmal Sphere leaves the battlefield, Ninja Teen makes each opponent lose 1 life

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

a card in a graveyard — 7,589 cards in the game can cause this (Phantasmal Sphere is one).

1. Havi, the All-Father — Phantasmal Sphere fills your graveyard toward the 4 or more cards Havi, the All-Father needs

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

anything attacks — 17,934 cards in the game can cause this (Phantasmal Sphere is one).

1. Shaun, Father of Synths — When Phantasmal Sphere attacks, Shaun, Father of Synths makes a token

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

a creature attacks — 17,934 cards in the game can cause this (Phantasmal Sphere is one).

1. Chorale of the Void — When Phantasmal Sphere attacks, Chorale of the Void brings a card back

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