The uptick basically says earthbend 3
Peacocks text box suggests two deckbuilding avenues: first, artifacts that youd want to sacrifice for a benefit (other than the Clue draw a card ability), and second, you want creatures that give you a benefit by being unblockable (other than just smashing life totals)
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There will also be a special Star Trek -themed promo card at an upcoming Spotlight Series event that we'll unveil in the future
It also strips out many lands from your deck, and over a few turns, it dramatically reduces your chances of drawing a land, thus increasing card quality from the rest of your deck
The second reason we see so much power creep is that it makes sense from a business perspective