Not only that, but it reads, At the beginning of your end step, gain control of target nonland permanent controlled by a player who was dealt combat damage by three or more Pirates this turn. It can be tricky to get that many hits in, but if youre playing with cards that make your creatures tricky to block, then you should be able to keep adding more things to your collection
The planeswalkers player now has priority as it ETBs (when a player's spell resolves, they retain priority)
To double the number of a kind of counters on a permanent, put a number of that kind of counters on it equal to the number it already has
One thing Ive learned in those three and half decades, paradoxically, is that the more time you experience, the less it weighs
While it wont stick around forever, youve probably gotten the value you need from it by the time it leaves