Creatures you control get +1/+1 and have flying and indestructible. At the beginning of your upkeep, sacrifice a creature. If you can't, sacrifice Eldrazi Monument.
NM-Mint Foil - $26.80
Lightly Played Foil - $25.40
Moderately Played Foil - $24.10
Heavily Played Foil - $21.40
Damaged Foil - $17.40
NM-Mint Foil Non English - $26.80
Lightly Played Foil Non English - $25.40
Moderately Played Foil Non English - $24.10
Heavily Played Foil Non English - $21.40
Damaged Foil Non English - $17.40