If mill doesnt work, you can possibly take someone out via commander damage
Secondly, it will eventually lead the rest of the table to decide to eliminate you, and if they see through your ruse quickly enough, youll be ejected before you can set up
You could consider taking out the other creature pump card, Great Oak Guardian, though it has flash, so you can use it defensively
Its not essential to memorise the whole turn structure to play your first games, especially if you have more experienced opponents or mentors around to keep track of things
A hasty Grizzly Bears provides fine pressure, but the combination of pressure and card draw is great: Card draw gives you resources to keep applying the pressure started by your hasty creature
Pretty decent wrath protection, or if youre packing lots of wraths yourself