1 Wildcard of any rarity A common (12.4%), uncommon (64%), rare (16.8%), or mythic rare (2.1%) card from the main set A common (less than 1%), uncommon (2.7%), rare (less than 1%), or mythic rare (less than 1%) scene card A rare (less than1%) or mythic rare (less than 1%) logo card A rare (less than 1%) or mythic rare (less than 1%) panel card A rare borderless land (1%) 1 Rare or mythic rare card A rare (76.1%) or mythic rare (16.6%) card from the main set A rare (1%) or mythic rare (0.8%) scene card A rare (2.4%) or mythic rare (0.7%) logo card A rare (1.9%) or mythic rare (less than 1%) panel card 1 Traditional foil card of any rarity A common (59.9%), uncommon (29.6%), rare (5.9%), or mythic rare (1.2%) card from the main set A common (less than 1%), uncommon (1.2%), rare (less than 1%), or mythic rare (less than 1%) scene card A rare (less than 1%) or mythic rare (less than 1%) logo card A rare (less than 1%) or mythic rare (less than 1%) panel card A rare borderless land (less than 1%) 1 Non-foil or traditional foil land card A non-foil (40%) or traditional foil (10%) common dual land A non-foil (20%) or traditional foil (5%) default frame basic land A non-foil (10%) or traditional foil (2.5%) city calm basic land A non-foil (10%) or traditional foil (2.5%) city chaos basic land 1 Non-foil helper card (8.5%) or double-sided token (91.5%) Note: Percentages may not sum to 100 due to rounding

The people that buy from scalpers are literally enabling them and thats what keeps scalpers going
You should probably grab both of them if youre looking to bolster your forces
Most things do, if were being honest
Assume that PSA or another company will factor it in unless it gets overlooked or missed and that it would probably prevent PSA 10 for example
Alolan Meowth can be obtained from Extradimensional Crisis pack in the Extradimensional Crisis set