Kit out one solo attacker in gear and protection, then let his lone charge fuel the well.
Sets your commander and theme, then adds about 25 cards that fit plus 20 lands. You fill in the rest.
The top 40 of 274 cards that fit

#4,993$3.32Mark Zug

#2,947$2.84Svetlin Velinov

#7,964$0.32Scott Murphy

#1,337$19.06Mark Zug

#4,347$19.73Chris Rahn

#2,716$9.36Warren Mahy

#1,882$9.82Scott Murphy

#6,382$0.33

#4,870$4.69Joshua Cairos

#309$20.09Bartek Fedyczak

#2,247$8.49Borja Pindado

#543$38.37Thanh Tuấn

#727$5.00Tyler Walpole

#1,693$31.94Yongjae Choi

#870$51.59Karuta Shiki

#9,289$0.36Alex Horley-Orlandelli

#903$17.34Randy Gallegos

#16,768$0.14

#1,672$9.32Vincent Proce

#9,724$2.97Javier Charro

#8,670$0.38John Stanko

#742$1.10Lindsey Look

#4,491$5.34

#4,204$3.01Chris Rahn

#476$41.66Volkan Baǵa

#353$2.66Richard Kane Ferguson

#10,997$0.18Darrell Riche

#2,228$20.99Artur Nakhodkin

#234$2.81Daniel Ljunggren

#973$1.21Jeremy Jarvis

#6,755$0.68Nic Klein

#3,522$4.95Karl Kopinski

#3,468$5.44Irvin Rodriguez

#5,135$9.90Francisco Badilla

#6,258$0.31Miklós Ligeti

#915$4.63Miklós Ligeti & AndWorld Design

#331$2.07Daren Bader

#8,814$12.86Daneen Wilkerson

#4,844$4.24Fariba Khamseh

#13,736$7.53