Grenzo, Dungeon Warden enters the battlefield with X +1/+1 counters on it.
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.
NM-Mint Foil - $2.30
Lightly Played Foil - $2.20
Moderately Played Foil - $2.10
Heavily Played Foil - $1.90
Damaged Foil - $1.50
NM-Mint Foil Non English - $2.30
Lightly Played Foil Non English - $2.20
Moderately Played Foil Non English - $2.10
Heavily Played Foil Non English - $1.90
Damaged Foil Non English - $1.50