buy single pokemon cards 50 RANDOM commons and uncommons Pokemon Singles

Farmer Maggot, Hobbit of the Marish (11U163) or Fredegar Bolger, Fatty (18R107) are popular choices

Using cards to buff it will buff every creature you cast while its on the field just as much, allowing you to go wide without sacrificing power

Imagine that in Commander with simple stuff like Mulldrifter or Eternal Witness or even something bigger like Grave Titan or Sun Titan

Obviously, being physical cards, you can trade and sell these to your hearts content to fund upgrades if so desired

If your mono-blue deck doesnt use many instants, sorceries, or artifacts, your options for tutors are going to be very limited