Veyran gains a +1/+1 counter every time you cast a spell, quickly getting stronger and stronger for each spell you cast, all while doubling your triggered abilities that happen when you cast or copy an instant or sorcery spell.
When you are discarding cards like Just the Wind, you can get some serious tempo advantages
Plus, because it says you can play the exiled cards instead of just cast them, it means you can use it to exile lands and then play them
Finality counters don't stop permanents from going to zones other than the graveyard from the battlefield
If you play it for its mana cost, it can also stabilize the board while also leaving behind a serious attacker
$35 is still a bit high, thoughDamnation is great in Commander, but its mostly a one-of or sideboard card in Modern