Grenzo Dungeon Warden Rainbow Foil

“<div class="SecretLair"><strong> Showcase: Murders at Karlov Manor</strong></div><br>Grenzo, Dungeon Warden enters the battlefield with X +1/+1 counters on it. <br>2: Put the bottom card of your library into your graveyard. If it's a creature card with power less than or equal to Grenzo's power, put it onto the battlefield.”