basil hawkins one piece card game OP10-109 (R) Set Name One Piece Trading Card Game

These famously intractable effects are just plain broken

This can be oodles of fun

It has a low casting cost, and since many infect creatures are cheap to cast, it's likely you were able to get a few infect counters on your opponents, allowing for Yawgmoth to begin using its proliferate ability to add on more to them

The Level 3 ability is interesting, because it is a very slow reanimator that your opponent can see coming, but a lot of the reanimator spells rotated out, so there's not many other options right now

Crucially, starting an engine is a state-based action that happens as soon as you control a permanent with the ability, making it exceptionally difficult for an opponent to interact with via the stack