The Fisher Man's Research

When The Fisher Man's Research Enters the Battlefield, Create x 1/1 blue Merfolk Creature tokens, Where x is the colors of mana not used to
cast this card.
{2}: Create a 1/1 Merfolk Creature Token.
{5}: Sacrifice The Fisher Man's Research, Create
five 1/1 White Human Fisherman Tokens. Any
Player may activate this ability.