Geyser Glider

Creature — Elemental Beast

Produces: nothing.

Cares about: a land entering the battlefield.

Partners

406 cards can cause a land entering the battlefield.

1. Burnished Hart — When a land enters thanks to Burnished Hart, Geyser Glider grants a keyword
2. Staff of Titania — When a Forest enters thanks to Staff of Titania, Geyser Glider grants a keyword
3. Endless Sands — When Endless Sands enters, Geyser Glider grants a keyword
4. Northampton Farm — When Northampton Farm enters, Geyser Glider grants a keyword
5. Wayfarer's Bauble — When a land enters thanks to Wayfarer's Bauble, Geyser Glider grants a keyword
6. There and Back Again — When a Mountain enters thanks to There and Back Again, Geyser Glider grants a keyword
7. Scaretiller — When a land enters thanks to Scaretiller, Geyser Glider grants a keyword
8. Horizon of Progress — When Horizon of Progress enters, Geyser Glider grants a keyword

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