If you exalt them, they grow splendiferous
It's a commander that brings something new to the table, and one of the few that lets you circumvent commander tax
They only become better and better when you have multiple lands that are worth searching out from the 99
There are lots of other tactics we could discuss, like choosing Lily discards, prioritizing enemy threats, selecting cards from Tasigur activations, etc., but these three tips above are a great starting point to get you thinking about beating Abzan
However, it also makes each opponent lose one life whenever a creature you control dies, and whenever a creature an opponent controls dies, you get to gain one life
That being said, this is still a creature you're happy to play even if you suspect your opponent might have a board wipe in hand and there aren't many creatures that can say the same