Use the filters to randomize a card between +100k, for blazing speed select an edition or select nothing.

Select a Set, is optional but recommended for fast rand
Select a release year.
Select the type, is optional
Select the subtype, is optional
Select the subtype, is optional
Select the keyword, is optional
Select the game, is optional
Select the Artist, is optional
Select multiple mana cost, is optional
Select the rarity, is optional
Put the collector number, is optional