Fast answer
Grass is easy to trust early because it includes practical launch lines like Buddi and Frugling.
Grass beats Rock and is weak to Fire, with several launch lines offering strong sustain or AoE value rather than only narrow counters.
Grass is represented by some of the most beginner-friendly launch Tatari lines.
Grass is easy to trust early because it includes practical launch lines like Buddi and Frugling.