The most interesting cards for the deck will be Discerning Taste and Dihadas Ploy for the card advantage, Etherium Spinner for the synergy with Loathsome Curator
Isperia, Supreme Judge The sphinx Isperia was once the guildmaster of the Azorius Senate on the plane of Ravnica
Another popular card that is a little more versatile and sees a bit more pay in formats like Commander is Quicksilver Amulet and its younger brother, Thran Temporal Gateway
If you need a bit more of a push to maximize your convoke triggers, you can play the Invasion of Segovia, which, when it flips to Caetus, Sea Tyrant of Segovia (a very impressive name for a 3/3 creature), it gives all your noncreature spells convoke, letting you bust out some combat tricks when you're normally tapped out
Nasty card draw from decks that have the right fodder to sacrifice to draw a ton of cards or mill some stuff in sacrifice matters or mill decks which, as mentioned above, are very strong