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 - $27.60
Lightly Played Foil - $26.20
Moderately Played Foil - $24.80
Heavily Played Foil - $22.10
Damaged Foil - $17.90
NM-Mint Foil Non English - $27.60
Lightly Played Foil Non English - $26.20
Moderately Played Foil Non English - $24.80
Heavily Played Foil Non English - $22.10
Damaged Foil Non English - $17.90