While this ability unfortunately doesnt come cheap, Dinosaurs on a Spaceship is capable of building a board all on its own
Modern bulk commons typically run a few cents each
2024-09-20 If a creature's survival ability triggers but the creature leaves the battlefield before the ability resolves, use its tapped or untapped status as it last existed on the battlefield to determine whether or not the ability will do anything.
So, although cards like Sram, Senior Edificer, Riddlesmith, Arcanists Owl and Research Thief allow you to draw cards, they arent as consistent as this deck needs
If you have any questions, feel free to leave a comment
Cascade, steal, kill A Jund inhabitants motto