Yes, you gain all the effects from every applicable card, even if there are multiple of them
On only your first turn, after using many of the resources in your hand, you can play down Squawkabilly exand even search it out via Nest Balland use its Ability to discard your hand and draw 6 new cards to push your deck further toward achieving its game plan
And while there's nothing wrong with building a casual Archer deck with these for fun, it is unlikely to be in the competitive realm because of a lack of critical mass
This is going to be absolutely massive for Tera decks, giving them a huge advantage over the competition
Its typically used as an ID when accessing government services and doubles as a health insurance card
That said, Academic Probations second mode (effectively a one-turn Arrest) is useful against any deck running, well, permanents