Combining Ugin, the Ineffable or another cost reduction card with Senseis Divining Top and Mystic Forge can help you storm off, and adding an Aetherflux Reservoir will close things out
Put the rest on the bottom of your library in any order
If you are feeling cruel, you can always run Armageddon to ensure your opponents can do absolutely nothing while keeping your lands in play
In my experience, packs have one common card of each of the six ink colors, and more cells let you separate cards of higher rarity by color as well
But thats not a problem, because there are lots of ways you can build a Mardu deck that generates creature tokens and kills them, whether you focus on mobilize or not
Emerald Chromicon is great for keeping your pieces in play instead of languishing in your discard pile, but Baymax's Healthcare Chip is the Item you want to find first and foremost, as it gives you a cosnsitent way to heal large amounts of damage