As a 5-color commander, Azlask's color identity lets you include every single one of the other experience counter cards, and its generally useful activated ability synergizes well with all those extra ways to generate counters
Well start with : obviously, there are a lot of attacks that involve coin flips, and being able to retry your luck is a great boon to many of those strategies
Getting a free card each turn is very strong, especially if you didn't have to attack, or do combat damage, or anything else
The rules for control and own can get a little funky sometimes, and Zedruu uses that to its advantage to pitch static effects to other players once you're done with them
Be sure to get your favorites for your collection
Scions & Spellcraft (White-Blue-Black) Be a master caster and gain control with card advantage as you band together with Yshtola, Nights Blessed to aid Eorzea in its time of need