Argostars can provide some protection and boosts even if they are only used as Traps, but that would be a waste
What you could potentially do is to fill you graveyard, Delve away the cards you dont need in the matchup, and shuffle the rest back into your library with [scryfall]Cranial Archive[/scryfall], which is also a cantrip, so youre only paying mana for the effect
You can choose to replace this draw with a dredge or not (if there are any dredge cards in your graveyard and enough cards in your library)
If this card was Ritual Summoned using "Blue-Eyes White Dragon", when it declares an attack: You can change the battle positions of as many monsters your opponent controls as possible, and if you do, the ATK/DEF of those changed monsters become 0, also, this turn, if this card attacks a Defense Position monster, inflict piercing battle damage to your opponent