Remember the Clue

We have an on-curve, aggressive killer that appears to care about other colorless creature. You got it boss! Looking to build a 2-3-4 CABS curve out and smash through those pesky 2/3 defenses. Let's see what we have to work with.
Two Drop
Three Drop
Four Drop
Look at all that early colorless mana requirement! This is not a splash, you're rocking colorless as a full-on, third "color". You want to have access to repeatable colorless early and often for sure. I think this will be a huge priority:
Gets you the color you need to cast it and then switches to colorless to activate abilities.
Quality Non Devoid Options
BFZ Targets
Like before, but here you may want to fill out your four-slot.