When the game decides to do a random trade, it will randomly select one of the cards the player is able to give away (each with equal probability, ignoring imperfections in the RNG and its utilisation), randomly select one of the cards the opponent is willing to part with, and then offer to trade those two cards
That Wizards errata these cards to be legendary so that they can use them as Commanders
However, Arceus VSTAR changes that for good
Video of me looking up Pokemon cards prices: If you get too many results that include cards NOT like yours, use the checkboxes to pick the ones just like yours
In addition, it has an effect that lets you Special Summon a monster with "Assault Mode Activate" in its name from your Graveyard
Chip Team Player can draw, but comes in much too late for this deck