It's a way to deal, essentially, free damage to cards that either can't be challenged or are giving you a hard time
He praised the balance, deck variety, and mechanics, singling out Saga Creature as "the highlight of a set filled with great stuff", and concluded that all the set's features combined to make for a highly replayable set
Donald Duck - Pie Slinger's Shift ability is fairly minor by the standard metric, reducing his cost from five ink to four, but the Humble Pie ability docks two lore from each opponent when he's deployed with Shift
With Izzet Prowess clearly marked as the deck to beat coming into the Pro Tour, it's safe to assume that every competitor came armed with well-tuned lists and precise strategies designed to take it down
The final scrap in the image is much clearer: this is the bottom edge of a full-art basic Swamp