Basically, it has no effect and goes to the graveyard
Although Mega Clefable ex is one of the main chases, this SIR hasn't gained a lot of value
After already taking the first game, with Fernandez struggling to get their plays going after failing to make their VStar Pokmon on their second turn, Yen was in the ascendency as they were building up the number of cards in the Lost Zone necessary for their Lost Zone Box deck to strike using the powerful effect of Sableye, Lost Mine attack to put 12 damage counters on their opponent's Pokmon in any way they would like
At the beginning of your end step, if a player controls no creatures, sacrifice Sothera, then put a creature card exiled with it onto the battlefield under your control with two additional +1/+1 counters on it) gives me the sense that Wizards is aiming to make your exile zone into a resource all of its own
Its second ability is Fact or Fiction, which can be repeated if you manage to keep him on the battlefield long enough, and its ultimate allows you to take your opponents best spell and play it for free
