Thanks to Dark Ritu uh Thought Scour, the big Dragon can show up as early as turn two, but will commonly show up around turn four with Counterspell to protect it
Aside from providing consistent answers to defensive situations (where smaller Toxic setups might struggle), it can deftly switch between hitting opponents life and inflicting poison counters, as it was originally designed
Blue decks tend to be slow and patient, gradually building up card advantage and other resources until they're ready for the endgame, which is perfect for a midrange-oriented, moderately powerful format like Commander
No matter which two modes you choose, you always follow the instructions in the order they're written
If his controller leaves the game, Zuko, Conflicted is exiled (assuming that player wasn't also Zuko, Conflicted's owner)