White really just needs card draw in my opinion
Flesh Duplicate is a lot like Phantasmal Image , albeit with much creepier artwork and a slightly more restrictive casting cost
Nezumi Prowler is also an artifact creature, which means it triggers things like Dragonspark Reactor upon entering the battlefield or things like Oni-Cult Anvil upon dying
Each color has a rare card designed for Jumpstart and two themes, each a variant on the same mechanic.
Turn it face up any time for its morph cost.) When this creature is turned face up, target creature you control gains protection from the color of your choice until end of turn
And if you wonder about how many lands to run in Commander, or how many lands to run in Limited, Ive found that the 40% rule is a great baseline for most formats, Draft and Sealed included