Trample Whenever Jor Kadeen, First Goldwarden attacks, it gets +X/+X until end of turn, where X is the number of equipped creatures you control. Then if Jor Kadeen's power is 4 or greater, draw a card.
2023-02-04
The value of X is determined only once, as the triggered ability resolves. If the number of equipped creatures you control changes after that time, it won't change the bonus granted.