Originally inspired by Magic's 'Un-sets' (absurdist, non-competitive, rule-bending cards intended for a silly, fun time) Secret Lairs like this are more collector's items than they are competition-worthy
Its strength comes from copying spells without investing additional mana, which sets up big turns by dropping Ral before following it up with Dance with Calamity or something similar
I want to see those properly borderless
Initially designed by prolific Japanese deck builder matsugan on Magic Online, the idea was that Zoo decks already take a lot of damage from their lands, as they were generally four colors and needed Shocklands to support Wild Nacatl
The cards produced were gold-bordered versions, and thus are NOT legal for use in DCI-sanctioned tournaments
But then you have to pick one to keep and send the rest to the graveyard