Commander is a vast, powerful, and ever-changing format, so it's crucial to stay on top of card bans
The key thing to build around is the other than your hand line, so cards with foretell (Behold the Multiverse, Delayed Blast Fireball) and flashback (Think Twice, Galvanic Iteration) are excellent
For the white-blue card, we were interested in focusing on the mechanic that the two share: embalm
Commander Zuko, Firebending Master First strike Firebending X, where X is the number of experience counters you have
The fact that its Blue fits the theme, but it also means youve got access to plenty of spells that will allow you to utilise this to either control the board state, your opponents hands, their library - or basically whatever else you want