Heimerdinger's legacy

You should have seen it already:

Iceborn Legacy is back on the menu so I start where I stopped when it got nerfed to slow speed which was an Heimerdinger deck buffing 3 mana turrets.

Since the Daring Poro theme is also available in P&Z Freljord we also can buff one of these in case we shouldn't get enough 3 mana spells to make buffing turrets worth.