Windrider Eel

Creature — Fish

Produces: nothing.

Cares about: a land entering the battlefield.

Partners

406 cards can cause a land entering the battlefield.

1. Wayfarer's Bauble — When a land enters thanks to Wayfarer's Bauble, Windrider Eel gives +2/+2
2. Scaretiller — When a land enters thanks to Scaretiller, Windrider Eel gives +2/+2
3. Canoptek Wraith — When a land enters thanks to Canoptek Wraith, Windrider Eel gives +2/+2
4. Gandalf, Shadow's Foe — When a land enters thanks to Gandalf, Shadow's Foe, Windrider Eel gives +2/+2
5. Evolving Wilds — When a land enters thanks to Evolving Wilds, Windrider Eel gives +2/+2
6. Terramorphic Expanse — When a land enters thanks to Terramorphic Expanse, Windrider Eel gives +2/+2
7. Roll-Roll-Roll-Roll — When a creature enters thanks to Roll-Roll-Roll-Roll, Windrider Eel gives +2/+2
8. Hithlain Rope — When a land enters thanks to Hithlain Rope, Windrider Eel gives +2/+2

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