Feral Retainer: D Booster Set 13: Flight of Chakrabarthi

[AUTO]:When this unit is placed on (RC) from hand during your main phase, choose a "Crafty Lord" from your soul, and you may call it to (RC). If you called a card, this unit gets [Power]+5000 until end of turn. [AUTO](RC):At the end of your turn, put this unit on the bottom of the deck. (This effect is mandatory)