Section concerning frogs
A frog is an animal. The description of frog is "Small, jewel green and shiny.". The frog is undescribed.
A lotus is a home. The description of the lotus is "Great green leaves are floating on the water.[if occupied] A small frog sits squarely in the middle of the biggest one.". The lotus is scenery. Understand "leaves" as lotus.
Instead of taking the mud:
say "You clean most of the mud out of your pockets and plop it in the pond.";
the lotus blooms in three turns from now;
now the mud is nowhere.
At the time when the lotus blooms:
say "Lotus leaves start opening on the surface of the pond. That was... fast?";
now the lotus is in the pond;
now the lotus is suitable.
Every turn when the lotus is suitable for the third turn and the lotus is empty:
say "A small green frog jumps out of your pocket onto the biggest lotus leaf.";
now the frog is in the location;
acquire frog;
now the lotus is occupied.