Fill the ranks with Humans and Samurai, and keep every one of them alive with Isao's regeneration.
Sets your commander and theme, then adds about 25 cards that fit plus 20 lands. You fill in the rest.
The top 40 of 295 cards that fit

#8,766$1.76Kev Walker

#12,932$0.19Tyler Walpole

#8,487$0.57Ryan Pancoast

#6,434$2.68

#5,975$4.48Zoltan Boros

#10,302$0.28Zoltan Boros

#3,629$0.15Matt Cavotta

#7,837$0.35Cristi Balanescu

#7,463$5.99Heonhwa

#3,776$65.39Daren Bader

#663$0.24Ekaterina Burmak

#2,719$0.20GodMachine

#7,125$8.75InHyuk Lee

#6,591$7.96Tyler Jacobson

#5,847$0.20Yongjae Choi

#2,987$16.43Thea Dumitriu

#2,278$9.70Heather Hudson

#6,579$0.15Viktor Titov

#1,140$0.31Billy Christian

#2,646$2.18Brigitte Roka & Clifton Stommel

#5,180$0.57Colin Boyer

#1,591$16.75Lucas Graciano

#20,085$0.26Vlad Petruchik

#12,211$1.26Phima

#9,973$0.29Andrey Kuzinskiy

#17,678$0.63Aleksi Briclot

#15,326$0.16Paolo Parente

#8,470$0.46

#6,853$0.19Carl Critchlow

#14,486$0.24Wisnu Tan

#3,044$37.27Phima

#12,638$0.17Matt Stewart

#11,357$0.67David Gaillet

#327$12.11Todd Lockwood

#10,384$0.18Svetlin Velinov

#9,284$0.89Francis Tneh

#8,873$0.23Randy Vargas

#7,312$0.24Vincent Evans

#7,143$1.91Adrián Rodríguez Pérez

#18,182$0.12Jesper Ejsing