Insen, watcher of A-cores

Convoke
As long as Insen, Watcher of A-Cores is on
the field, all creatures under your control get
hexproof and convoke.
You may play an additional land on each of your
turns.
{2}{t}: All A-Core creature tokens get a
+1/+1.
{t}: Add {g} to your mana pool.