how many cards in standard mtg a Deck? MTG Deck Size Standard just got a serious

My previous decks and playstyle were mostly aimed at causing chaos, testing the pain and tolerance limits of the opponent, and surviving long enough for them to throw in the towel in exasperation

The one downside of Their Number is Legion is that it exiles itself after casting it, but if it ever gets countered or sent to the graveyard through some enemy shenanigans, you can cast it from the graveyard at no additional cost

Elvish Mariner Now heres a pilot that doesnt play quite in the same space

Either you accept those as likely losses or you directly hose them

Can you proliferate them to death

Useable as a tutor, draw spell, or both at once if you have enough mana, this card is a powerful consistency piece