Stock the graveyard with your best creatures, then tap Xu-Ifit each turn to raise them as skeletons.
Sets your commander and theme, then adds about 25 cards that fit plus 20 lands. You fill in the rest.
The top 40 of 379 cards that fit

#4,790$0.87Psydrian

#2,001$6.20Ricardo Cavolo

#14,766$0.24Jason Rainville

#5,785$0.47Anato Finnstark

#8,455$0.91Ben Wootten

#14,592$0.11Karl Kopinski

#323$11.89Seb McKinnon

#354$2.25Brian Horton

#14,534$2.21Greg Staples

#960$28.70Dmitry Burmak

#14,526$0.99Deruchenko Alexander

#7,751$0.30Martina Fačková

#2,084$0.35Fay Dalton

#3,058$2.26Tiffany Turrill

#1,901$0.26Chris Cold

#4,982$0.24Wayne England

#9,040$0.25Mark Hyzer

#1,232$0.61Satoru Senda

#725$19.08

#2,296$1.91Izzy

#8,895$0.22Titus Lunter

#8,231$0.34Whit Brachna

#5,593$8.30Viktor Titov

#11,473$15.33Randy Vargas

#14,022$0.19Slawomir Maniak

#458$3.12Mark Winters

#713$7.63Yeong-Hao Han

#3,435$0.90Roberto Ferrari

#5,519$0.27Mark Zug

#223$7.15Anson Maddocks

#4,785$4.05Lucas Graciano

#10,993$0.72Darren Tan

#6,568$0.44Daarken

#6,449$1.60Tyler Jacobson

#12,312$0.35

#2,850$2.57Yongjae Choi

#4,014$0.38Mark Brill

#8,459$0.36Nicholas Gregory

#1,572$17.55Yongjae Choi

#1,980$0.34Ravenna Tran