Play lots of Humans, do damage, ping them with Kelsien, get experience counters, make Kelsien bigger, profit
You can go for Dryad Arbor as soon as turn 1 or find your silver bullets
Speaking of which, let's jump right into my Top 10 Picks
Each chapter triggers as usual, but instead of disappearing at the end, it stays on the battlefield as a creature
Katara, The Fearless Double The Allies Katara, the Fearless is a fantastic Ally card as it will cause all your Ally abilities to trigger an extra time
The two colors are excellent at slowly, and sometimes not so slowly, gaining the upper hand, often subtly enough that less-experienced players aren't even aware of it