Spend counters as currency: strip them from your creatures each upkeep and turn them into a steady flow of cards.
Sets your commander and theme, then adds about 25 cards that fit plus 20 lands. You fill in the rest.
The top 40 of 875 cards that fit

#5,497$4.44Chase Stone

#3,765$0.64Yoshiya

#663$0.24Eric Deschamps

#227$63.96Adam Paquette

#6,483$2.78Kev Walker

#3,776$65.39Daren Bader

#13,661$0.28Jason Rainville

#4,260$0.39Omar Rayyan

#7,532$0.38

#2,059$1.84D. Alexander Gregory

#5,237$1.90Raymond Swanland

#2,723$3.31Volkan Baǵa

#12,638$0.17Matt Stewart

#2,256$1.28Nicholas Gregory

#21,096$5.33Aleksi Briclot

#19,653Chris Rallis

#41$4.92Helge C. Balzer

#325$0.20Javier Charro

#3,634$0.19Howard Lyon

#3,790$0.15Cristi Balanescu

#1,337$19.06Mark Zug

#95$110.79Veli Nyström

#10,921$0.07Kev Walker

#2,267$15.90Sam Guay

#5,746$0.30Anna Steinbauer

#3,025$0.34Alex Horley-Orlandelli

#17,193$0.12Volkan Baǵa

#4,009$0.38Svetlin Velinov

#3,098$1.80Kevin Glint

#7,773$1.21Micha Huigen

#259$26.37Harold McNeill

#612$14.49Kristina Carroll

#2,473$1.35Heonhwa

#1,909$5.15Anna Steinbauer

#914$1.91Min Yum

#213$5.63Matt Stewart

#3,603$4.68Brandon Kitkouski

#4,078$0.38Anna Steinbauer

#8,865$0.09

#8,376$1.15