Ishai, Ojutai Dragonspeaker can be built as a commander in a lot of interesting ways, like flying matters, +1/+1 counters, or Voltron
Which set was that deck from again
There are some good enchantments to play in blue, including Rhystic Study and Amphibian Downpour, but the spine of the deck is Selesnya, and Im not sure adding the third color is worth it for the slim chance this card will Votron someone out
With constant small threats on the battlefield, players using this strategy can usually win with chip damage, as most opponents will struggle to keep up with all the reanimated creatures by the mid-late game
The deck can rapidly generate tokens with cards like Bootleggers' Stash and the famously powerful Dockside Extortionist
In regards to its activated abilities, Gideon can flexibly help to support your other key creatures, providing them access to vigilance, lifelink, or indestructible until the end of the turn through its +1