Weakstone

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

Weakstone puts cards into the graveyard that:

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

When a creature dies thanks to Weakstone:

1. Zahur, Glory's Past — makes a token
2. Vraska, the Silencer — brings a card back
3. Liesa, Forgotten Archangel — brings a card back
4. Avacyn, Angel of Horror — brings a card back
5. Yedora, Grave Gardener — brings a card back
6. Nim Deathmantle — brings a card back
7. Valkyrie's Call — brings a card back
8. Decaying Soil — brings a card back
9. High-Society Hunter — draws you 1 card
10. Overseer of the Damned — makes a token

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 (Weakstone is one).

When a creature dies thanks to Weakstone:

1. Pious Evangel // Wayward Disciple — makes each opponent lose 1 life
2. Daxos, Blessed by the Sun — gains you 1 life
3. Elas il-Kor, Sadistic Pilgrim — makes each opponent lose 1 life
4. Shriveling Rot — makes a player lose life equal to its toughness
5. Meathook Massacre II — brings a card back
6. Ashnod's Intervention — brings a card back
7. Missy — brings a card back
8. Malakir Rebirth // Malakir Mire — brings a card back
9. Saffi Eriksdotter — sacrifices itself
10. Angelic Renewal — sacrifices itself

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

a creature goes to a graveyard — 3,011 cards in the game can cause this (Weakstone is one).

When a creature hits the graveyard thanks to Weakstone:

1. Lorcan, Warlock Collector — brings a card back
2. Robot Domination — draws you 1 card
3. Lazav, Dimir Mastermind — copies a permanent
4. Profane Memento — gains you 1 life
5. Dennick, Pious Apprentice // Dennick, Pious Apparition — triggers
6. Soulcipher Board // Cipherbound Spirit — triggers

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

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

When Weakstone is cast:

1. Cyclops Superconductor — gets +1/+1
2. Jeskai Sage — gets +1/+1
3. Mendicant Core, Guidelight — copies a spell
4. Sai, Master Thopterist — makes a token
5. Ravenous Robots — makes a token
6. Pinnacle Emissary — makes a token
7. Mirrodin Besieged — makes a token
8. Poetic Ingenuity — makes a token
9. Digsite Engineer — makes a token
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 nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Weakstone is one).

When Weakstone enters:

1. Ultron, Artificial Malevolence — makes a token
2. The Prydwen, Steel Flagship — makes a token
3. Conquest Mission — puts a quest counter on itself
4. Surge Conductor — proliferates
5. Replication Specialist — makes a token

2 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 (Weakstone is one).

1. Ninja Teen — When a creature leaves the battlefield thanks to Weakstone, Ninja Teen makes each opponent lose 1 life

31 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 (Weakstone is one).

1. Havi, the All-Father — Weakstone fills your graveyard toward the 4 or more cards Havi, the All-Father needs
2. Repentant Vampire — Weakstone fills your graveyard toward the 7 or more cards Repentant Vampire needs
3. Treacherous Vampire — Weakstone fills your graveyard toward the 7 or more cards Treacherous Vampire needs
4. Athreos, Shroud-Veiled — Weakstone puts cards into the graveyard that Athreos, Shroud-Veiled can bring back
5. Glissa's Retriever — Weakstone puts cards into the graveyard that Glissa's Retriever can bring back
6. Greenwarden of Murasa — Weakstone puts cards into the graveyard that Greenwarden of Murasa can bring back
7. Reborn Hero — Weakstone fills your graveyard toward the 7 or more cards Reborn Hero needs
8. Treacherous Werewolf — Weakstone fills your graveyard toward the 7 or more cards Treacherous Werewolf needs

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