Besides playing well with all the Elemental support in Dance of the Elements, Maha also turns all the -1/-1 tokens in the Blight Curse precon into a death sentence for opposing creatures by shrinking their toughness to 1
Having flash is great, as well as an escalating threat, but Kianne would really thrive as the commander of a deck full of instant-speed card draw so you can have the flash you want when you want it
Similarly to above, her ability only counts once, as it states: while you have a character or location , not for each character or location
Sedraxis Specter is a good example of this, as it's an evasive threat that puts your opponent down cards if it hits and comes with a one-time reanimation clause
In a deck designed to drop its hand fast, its not hard to trigger Goddric to create a three mana, hasty, 4/4 flying dragon with the fire breathing ability, burning your opponent to a crisp
Now there are multi-color adventure cards helping push players into specific colors