Artemisia Florentina

Counter the first spell each turn that targets a
Wurm you control.
When Artemisia Florentina enters the battlefield,
create a 5/5 legendary green Wurm creature
token with trample named Primus and a a 5/5
legendary green Wurm creature token with
trample named Secundus. When Artemisia
Florentina leaves the battlefield, sacrifice those
tokens.