Keep in mind that slot variance can mask progress: it is normal to feel like you are not advancing toward wagering in a cold streak, which is why small, consistent bets often work best for clearing requirements without stress
Sai, Master Thopterist is the most flexible among legendary creatures with this play pattern, as there are plenty of strong artifact-centric strategies that synergize with its effects for building an army or drawing cards as the situation warrants
(or, if you prefer, when do I plan to get mine?) I think the trend here is quite clear, even if the drop rate is relatively high at 1 in 500 for your specific fetchland
When the card declares an attack, the player can send a monster from the hand or deck to the graveyard, and for every Normal Monster in the grave, Exodius gains 1,000 ATK
You need every Godzilla promo (along with the normal-set version of the Godzilla cards, in both foil and non-foil, of course)
So we would only draw with an established board presence and we're using mana to draw into threats rather than play them