Regular cleaning of your Pokemon TCG cards can restore their original condition, bring back the luster of the holo foil, and overall enhance their look
Graded Population Report: Sudowoodo #109 Visualize the distrbution of grades in the chart
In the absence of cards like [casthaven]Stifle[/casthaven], [casthaven]Wasteland[/casthaven], [casthaven]Force of Will[/casthaven], and dedicated hosers, I have no idea how Modern decks can fight them, other than by playing a version of Eldrazi designed to break the mirror (or perhaps [casthaven]Painters Servant[/casthaven] is a stronger hoser than it appears)
Even more impressively, they were able to then create a sets worth of new cards which negated those dangers sometimes without even needing to actually create a new version of the mechanic
Second, Gollum has an innate sacrifice ability, which makes it a good sacrifice outlet