Yes, that is also the main disadvantage to getting card advantage through drawing cards and yes, discard is also weakened by diminishing returns which card draw isn't, I am not comparing discard to card draw as a way towards card advantage, just stating the facts about cards in isolation
1-in-8 standard packs will contain a mythic rare card instead of a regular rare, and theres a chance that a card of each rarity is transformed into a corresponding wildcard
Akromas Will and Flawless Maneuver are two such cards, and really committing to the increase in power level for these types of white cards is what needs to happen
While clues are inherently powerful and can be an excellent source of card advantage, Lonis also provides these tokens with a potential secondary use
Blast Zone With Blast Zone, you get a land that doubles as a pinpoint sweeper