Twinning Staff

a sorcery is copied — 83 cards in the game can cause this (Twinning Staff is one).

When Twinning Staff is copied:

1. Extus, Oriq Overlord // Awaken the Blood Avatar — brings a card back
2. Storm-Kiln Artist — makes a token
3. Professor Onyx — makes each opponent lose 2 life
4. Zaffai, Thunder Conductor — scries
5. Deekah, Fractal Theorist — makes a token
6. Elemental Expressionist — grants a keyword
7. Sedgemoor Witch — makes a token
8. Witherbloom Apprentice — makes each opponent lose 1 life
9. Jadzi, Oracle of Arcavios // Journey to the Oracle — puts a creature, artifact, enchantment, instant, sorcery, planeswalker or battle onto the battlefield
10. Ashling, Flame Dancer — draws and discards

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

an instant is copied — 87 cards in the game can cause this (Twinning Staff is one).

1. Kalamax, the Stormsire — When Twinning Staff is copied, Kalamax, the Stormsire puts a +1/+1 counter on itself

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

a spell is copied — 122 cards in the game can cause this (Twinning Staff is one).

When Twinning Staff is copied:

1. Parnesse, the Subtle Brush — copies a spell
2. The Twelfth Doctor — puts a +1/+1 counter on itself
3. Curse of Shaken Faith — deals 2 damage

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

When Twinning Staff 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 nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Twinning Staff is one).

When Twinning Staff 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
6. Weapons Manufacturing — makes a token
7. Mirrorworks — makes a token

an artifact enters the battlefield — 4,643 cards in the game can cause this (Twinning Staff is one).

When Twinning Staff enters:

1. Transplant Theorist — draws you 1 card
2. Elvish Archivist — puts 2 +1/+1 counters on itself
3. Golbez, Crystal Collector — surveils
4. Sludge Strider — makes a player lose 1 life
5. Underhanded Designs — makes each opponent lose 1 life
6. Mechan Assembler — makes a token
7. Glassdust Hulk — gets +1/+1
8. Rook Turret — draws you 1 card
9. Hedron Detonator — deals 1 damage
10. Pactdoll Terror — makes each opponent lose 1 life

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

anything enters the battlefield — 26,499 cards in the game can cause this (Twinning Staff is one).

When Twinning Staff enters:

1. HYDRA Assault Robot — deals 1 damage
2. Era of Innovation — puts a counter on a permanent you control

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

anything is cast — 31,128 cards in the game can cause this (Twinning Staff is one).

When Twinning Staff is cast:

1. Sokka, Bold Boomeranger — puts a +1/+1 counter on itself
2. Saheeli, Radiant Creator — puts a counter on a permanent you control

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