Theres more than one of some combinations, mostly because I have a Temur problem, plus some partner combinations are too enticing to pass up
Norman Osborn / Green Goblin Cut card: Damocles Base, Sword of Kang Norman Osborn from the Spider-Man set is a perfect fit, giving us an unblockable conniver who later on lets us cast cards from our graveyard for cheap as we discard them
Unlike standard Play Boosters, which are typically printed to meet demand, Collector Boosters are intentionally a limited, single-print-run product
While that might be cool to explore, I already have a Vampire tribal with Rakdos, Lord of Riots
My ranting on bugs was my ignorance of the rules, as +1/+1 counters and -1/-1 do not negate each other until after the check on whether a creature is put into the graveyard as part of the state-based effect for having zero or less toughness