Thopter Architect

Creature — Human Artificer

Produces: nothing.

Cares about: an artifact entering the battlefield.

Partners

275 cards can cause an Artificer creature it grants types to.

1. Machinist's Arsenal — Machinist's Arsenal gives Thopter Architect an extra creature type

1,090 cards can cause an artifact entering the battlefield.

1. Rosie Cotton of South Lane — When a Food enters thanks to Rosie Cotton of South Lane, Thopter Architect grants a keyword
2. Spawning Pit — When a Spawn enters thanks to Spawning Pit, Thopter Architect grants a keyword
3. Basalt Golem — When a Wall enters thanks to Basalt Golem, Thopter Architect grants a keyword
4. Threefold Thunderhulk — When a Gnome enters thanks to Threefold Thunderhulk, Thopter Architect grants a keyword
5. Castle Doom — When a Robot enters thanks to Castle Doom, Thopter Architect grants a keyword
6. Witch's Oven — When a Food enters thanks to Witch's Oven, Thopter Architect grants a keyword
7. Emeria Shepherd — When Emeria Shepherd enters, Thopter Architect grants a keyword
8. Scarecrone — When Scarecrone enters, Thopter Architect grants a keyword

283 other cards cause it too, equally specific. The ones shown are the best connected.