Untap Oviya again and again, so each turn brings extra Servos and Constructs from one tiny inventor.
Sets your commander and theme, then adds about 25 cards that fit plus 20 lands. You fill in the rest.
The top 40 of 215 cards that fit

#5,839$2.70Uta Natsume

#9,576$4.55Peter Mohrbacher

#21,096$5.33Aleksi Briclot

#1,659$3.46Chris Rallis

#2,472$16.85

#3,303$19.58Alexander Mokhov

#6,802$3.79Wayne Reynolds

#285$15.44

#885$12.71Howard Lyon

#4,563$0.35Dmitry Burmak

#25,432$0.32Dmitry Burmak

#966$1.16Darrell Riche

#13,905$0.26Livia Prima

#604$0.41rk post

#3,500$1.51Izzy

#543$38.37Chris Rahn

#7,312$0.24Vincent Evans

#2,473$1.35Heonhwa

#6,578$2850.00Douglas Shuler

#14,591$0.14

#6,434$2.68Swayart

#668$36.92Chippy

#442$302.69Filip Burburan

#1,304$1.23Evyn Fong

#1,263$1.85Igor Kieryluk

#10,145$0.46

#4,932$2.95Terese Nielsen

#2,646$2.18Brigitte Roka & Clifton Stommel

#1,859$7.98Cory Godbey

#7,133$0.35

#22,468$0.22Edward P. Beard, Jr.

#1,666$5.40Steve Prescott

#150$88.40Christine Choi

#4,042$0.95Dominik Mayer

#5,461$0.78

#22,132$3.10Michael Koehler

#2,566$6.75Mitch Cotie

#1,738$1.11

#1,349$8.60

#549$9.15Anson Maddocks