While Djeru and Hazoret doesn't have the uncapped potential of triggering a bunch of times in one turn, only needing to hit a legend as a requirement is a fairly easy one, and actually casting it has its benefits as well too
As card #71 in a set with 70 printed cards, it sits in the secret-rare numbering pulled less often than anything in the regular checklist
In recent sets, Showcase Art Cards have been included for many cards that depict especially important characters or events
This is where Braid of Fire comes in, as it's Cumulative Upkeep cost is to
[2] After the invasion, Yuri went to the Synchro Dimension on Leo's order to kidnap Rin
In a technical sense, however, earning XP is easy, since all you need to do is play the game