Rather than playing the Speedway for free when you play Jim, you want to put the Speedway into play after Jim is on the board and at a location
And when she dies, she passes that strength on, putting X +1/+1 counters on each legendary creature you control, where X is the number of counters she had
The true adventure, however, seems to be in finding cards to play.
not having an abundance of inkable strong cards
Simic has many incredibly powerful commanders like Koma, Cosmos Serpent and Aesi, Tyrant of Gyre Strait that draw the tables aggression early to shut them down
They'll cast powerful spells, call upon classic summons, and even visit their favorite locations on the back of a Chocobo