This deck relies on (flying) rebels to deal damage and protects them with Cho-Manno’s Blessing and Humble.

Coloured mana can be a problem but the deck really only needs one white mana to get going and barbed sextants help in that respect. Urza’s lands are not strictly necessary but can fuel Gerrard’s Battle Cry and help sustain lategame flow of rebels. Card advantage from rebels combined with seven slow cantrips and an Expedition Map increase chances of assembling Urzatron. The Map could also fetch fe. Ice Floe.

Jötun Grunt brings rebels from grave to library and Noetic Scales could be used to bounce him back, although your hand should easily be three to four constantly.