The key card is present but its support is thin.
Prioritize useful support such as Creeping Peeper or Balemurk Leech.
Establish Skullsnap Nuisance or Balemurk Leech, then hold up Glimmerburst. Its Glimmer token is an enchantment entry that creates the eerie reward while the spell replenishes your hand.
Your deck enables the plan but is losing the early turns.
Take a castable early creature or efficient answer before another expensive payoff.
Fear of Infinity cannot block even though it has lifelink. Keep genuine defensive creatures and remember returning it with eerie puts it into your hand, requiring another cast.
The support is missing
Favor independently useful creatures and interaction if the narrow support does not arrive.