This cards name is perfect, as it extracts a tithe of a Treasure token and a possible card to play from the top of an opponents library whenever your creatures deal combat damage to that player
The presence of Deathrite Shaman might seem like a strong argument against using Stifle, but I dont think that tells us the whole story
So, because you can summon the same monster you bounce with it, Swap is prefect in the deck as protection against Sakuretsu Armor, Snatch Steal, or anything else that might target a Sphinx, Gorilla, or squirrel
Once Ragged Playmate's ability has resolved, raising the affected creature's power above 2 won't cause it to be able to be blocked this turn
If youre a 90s child, Im sure its probably just the same for you