Steam Performer, Tudya: DZ Booster Set 02: Illusionless Strife

[AUTO](RC):At the end of the battle this unit boosted, if your unit was placed on (RC) from soul this turn, [COST][retire this unit], choose a grade 3 or greater card with Oselargest in its card name from your soul or drop, and put it on the bottom of the deck. If you chose a card, choose one of any players' rear-guards, and put it into soul.