$0.19 USD Distribute four +1/+1 counters among up to four target creatures you control
Four mana for a one-sided Howling Mine is already not the worst place to start, although that on its own would hardly be impressive
In any case, you want to be combining enablers like Teferi's Puzzle BoxTeferi's Puzzle Box, Howling MineHowling Mine, and the original Wheel of FortuneWheel of Fortune with payoffs and damage dealers like Fate UnravelerFate Unraveler, Sheoldred, the ApocalypseSheoldred, the Apocalypse, and Razorkin NeedleheadRazorkin Needlehead
Call to Glory is a cheap pump all creatures you control effect as long as theyre samurai Nagao, Bound by Honor is kind of a samurai lord, at least when attacking
however, you're hoping you get a Misty in your hand to start with as well
Or you could start sacrificing those tokens to Woe Strider or Skullclamp to start dealing damage to opponents directly with the help of Zulaport Cutthroat or Poison-Tip Archer