That number goes up to two mana with Roxanne in play, since she upgrades the amount of mana you make from artifact tokens
Youll want to run a bunch of artifact ramp to offset Hokoris ability while your opponents are stuck doing very little
While slightly higher on the mana cost scale than most other Elves, Dionus comes with a strong ability to make it worth it
All of this could be said for Grim Flayer as well, but the upside that Grim Flayer has when you deal damage to your opponent is so great that Grim Flayer is in a better position against Bant Company than Sylvan Advocate is
If your playgroup is generally lax on things like custom, banned, or silver-bordered cards then feel free to throw your cards around with Dart Throw to your hearts content
By using cantrip and draw effects as well as mana generation cards like Dark Ritual, Black Lotus, and others, it's easy to instantly kill a player without them ever having had a turn