In Modern, you see the Legendary God in Gruul Ponza-style lists as it attacks resources since Modern cares about graveyard interaction highly
So turn one it does something, and then each other turns until its final saga step where it gets sacrificed
Land Tax lets you draw three cards every upkeep when youre behind on land drops, with the stipulation that those cards are always basic lands
Youll be looking either for a commander that cares about hitting your opponent like Anowon, the Ruin Thief, or something that makes it likely that youll get to hit the opponent with multiple creatures like Oona, Queen of the Fae
Hancock, Ghoulish Mayor Hancock, Ghoulish Mayor isnt the flashiest card but its effective
For burst card draw, my favorite Aura option is Sage's Reverie, which also turns our creature into a huge beater