Cryptic Trilobite has any +1/+1 counters, activate
Cryptic Trilobite's first activated ability until it has no +1/+1 counters, adding ({C} magic symbol) ({C} magic symbol) that can only be spent to activate abilities each time.
Activate
Viscera Seer by sacrificing
Cryptic Trilobite.
Cryptic Trilobite's undying ability from
Mikaeus triggers, returning
Cryptic Trilobite from your graveyard to the battlefield with a +1/+1 counter on it.
Repeat any number of times.
Resolve all
Viscera Seer abilities, scrying 1 each time.
Results
Infinite colorless mana that can only be used for activated abilities.