The mana base for this deck is pretty decent, by preconstructed Commander deck standards, so Chromatic Lantern is unnecessary
Drawing cards, looting, and rummaging already give us a lot of benefits, and when they can act as combat tricks, the better
With Koraidon ex Code you get the following Pokemon Cards in the PTCGL 1 Koraidon ex 029
The cards in excellent condition command a premium, with lightly played (LP) jumping to almost $15 and near-mint (NM) at the top, selling for roughly $23
Its a fine rate for the effect, but the addition of flashback makes this almost the reanimation equivalent to cards like Timeless Witness you can reanimate two things, or gain value from discarding or milling it