Build Constructs and other artifact creatures, and turn your wide board into an enormous X/X.
Sets your commander and theme, then adds about 25 cards that fit plus 20 lands. You fill in the rest.
The top 40 of 699 cards that fit

#5,497$4.44

#3,696$2.39Carl Critchlow

#4,752$7.31Nino Is

#4,563$0.35Nikki Radan

#1,643$2.09

#2,525$18.61Grzegorz Rutkowski

#7,889$0.35Zack Stella

#3,765$0.64Steve Prescott

#805$0.35Chris Rahn

#1,522$0.30Nicholas Gregory

#4,993$3.32Igor Kieryluk

#3,747$3699.99Kaja Foglio

#117$35.12

#3,031$0.46Raoul Vitale

#9,724$2.97Javier Charro

#925$0.23Franz Vohwinkel

#1,062$9.85Aleksi Briclot

#3,098$1.80Bachzim

#252$0.39Jason A. Engle

#1,855$0.31

#19,018$5.96Gaboleps

#1,322$8.50Greg Hildebrandt

#2,712$1.91Jung Park

#16,768$0.14Eric Deschamps

#3,913$34.19

#3,348$50.02MSCHF

#425$5.55Daniel Ljunggren

#3,303$19.58Alexander Mokhov

#5,562$1.22Chris Rahn

#868$1.46

#14,591$0.14

#2,112$2.61

#13,150$0.24James Ryman

#242$238.55Volkan Baǵa

#14,458$0.24Evyn Fong

#12,069$0.40

#417$3.09Samuel Perin

#12,254$0.19Chippy

#1,674$0.38Jaime Jones

#3,096$1.98John Avon