That ward ability protects him from being targeted by requiring the payment of 2 life, which will draw me a card if the player targeting Valgavoth is on their turn and hasn't triggered it yet
But when the battlefield clogs and the skies fill, the ability to take down a massive threat from orbit becomes absolutely crucial, especially in Sealed Deck
It allows Kolodin to invoke his will and diffuse it amongst his team for precision-point racing and wordless coordination
Kor Haven and Glacial Chasm are other ways to do this, and while they are strong cards, I would caution against overly committing to a pillowfort
Legendary Creature - Bat God Bandit's Talent (Gain the next level as a sorcery to add its ability.) When this Class enters, each opponent discards two cards unless they discard a nonland card
These two types of cards play well together though, so try mixing and matching exalted cards with warriors and samurai for an extra boost to your combat phase