Dragon Arch

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

When Dragon Arch 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 (Dragon Arch is one).

When Dragon Arch 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 (Dragon Arch is one).

When Dragon Arch 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.

a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Dragon Arch is one).

When a creature enters thanks to Dragon Arch:

1. Riku of Two Reflections — makes a token
2. Samwise Gamgee — makes a token
3. Dual Nature — makes a token
4. Chainer, Nightmare Adept — grants haste
5. Preston, the Vanisher — makes a token
6. Angelic Sell-Sword — makes a token
7. Arni, Humble Scribe — untaps itself
8. Saradoc, Master of Buckland — makes a token
9. Lonis, Cryptozoologist — triggers
10. Radiant Solar — triggers

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

a creature enters the battlefield — 19,800 cards in the game can cause this (Dragon Arch is one).

When a creature enters thanks to Dragon Arch:

1. Lunarch Veteran // Luminous Phantom — gains you 1 life
2. Pious Evangel // Wayward Disciple — gains you 1 life
3. Daxos, Blessed by the Sun — gains you 1 life
4. Elas il-Kor, Sadistic Pilgrim — gains you 1 life
5. Glaring Fleshraker — deals 1 damage
6. Blasting Station — untaps itself
7. General Kreat, the Boltbringer — deals 1 damage
8. Mogg Bombers — sacrifices itself
9. Flame-Kin War Scout — sacrifices itself
10. Monkey Cage — sacrifices itself

320 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 (Dragon Arch is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When a creature enters thanks to Dragon Arch, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself
2. HYDRA Assault Robot — When Dragon Arch enters, HYDRA Assault Robot deals 1 damage
3. Ertha Jo, Frontier Mentor — When Ertha Jo, Frontier Mentor enters thanks to Dragon Arch, it makes a token
4. Breya, Etherium Shaper — When Breya, Etherium Shaper enters thanks to Dragon Arch, it makes 2 tokens
5. Sophia, Dogged Detective — When Sophia, Dogged Detective enters thanks to Dragon Arch, it makes a token
6. Imskir Iron-Eater — When Imskir Iron-Eater enters thanks to Dragon Arch, it draws you X cards
7. Tetzin, Gnome Champion // The Golden-Gear Colossus — When Tetzin, Gnome Champion // The Golden-Gear Colossus enters thanks to Dragon Arch, it triggers
8. Sokka, Bold Boomeranger — When Sokka, Bold Boomeranger enters thanks to Dragon Arch, it draws and discards
9. Era of Innovation — When Dragon Arch enters, Era of Innovation puts a counter on a permanent you control
10. Bullseye, Death Dealer — When Bullseye, Death Dealer enters thanks to Dragon Arch, it sacrifices an artifact

33 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 (Dragon Arch is one).

1. Saheeli, Radiant Creator — When Dragon Arch is cast, Saheeli, Radiant Creator puts a counter on a permanent you control

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