Im Planning 29 gallon Goldfish tank and justed wanted some input.

Specs:
Eheim 2217 canister filer
Aquaclear 20
ProSponge Filter
Eheim 100 watt heater will be kept @ 75 F.
LED light. Not sure which yet.

Hardscape:
Medium to large smooth or rounded edged river stones
Some driftwood

Substrate:
CaribSea Instant Aquarium Tahitian Moon. Its black sand
Some eco complete at the bottom layer.

Plants:
1 large amazon sword
1 tall, broad leaf anubia. I dont remeber the type maybe its a gilletii but not sure
Duckweed ( goldfish love this stuff)

Stock:
2 x ranchu goldfish
1 maybe 2 mystery snails aka apple snails

What do you all think?

I pick these plants because they are tough. Does anyone have goldfish and plant exprience?

Is there anything I overlooked?