The key card is present but its support is thin.
Prioritize useful support such as Possessed Goat or Splitskin Doll.
Use Splitskin Doll's discard when another small creature is absent, or Possessed Goat's activation, to place Shroudstomper in the graveyard. Reanimate only after securing enough time for the entry value to matter.
Your deck enables the plan but is losing the early turns.
Take a castable early creature or efficient answer before another expensive payoff.
A hand of reanimation and expensive targets still needs defense and a way to discard. Rite of the Moth adds a finality counter, so a creature that would die is exiled rather than returned to the graveyard.
The support is missing
Favor independently useful creatures and interaction if the narrow support does not arrive.