Ill provide you with the basic method I used for these calculations, and if you have the time, you can utilize our land calculator to replicate these results
Great choice
C Common Ancient Gear Box X EARTH Level 4 [ MachineEffect ] ATK 500 DEF 2000 If this card is added from the Deck or Graveyard to your hand, except by drawing it: You can add 1 EARTH Machine-Type monster with 500 ATK and/or DEF from your Deck to your hand, except "Ancient Gear Box"
Imperial: 5,31'' x 4,72'' x 2,95''
3 Etali, Primal Conqueror Several double-faced cards in March of the Machine depict certain people or creatures who become Phyrexians once enough mana is paid, including Phyrexian mana
Urza started off in lore as Dominarias Leonardo da Vinci, and we have historical evidence that Leonardo da Vinci knew popes in real life, so maybe one of them loaned him a hat