Eldrazi Monument 290/411 (Commander: Modern Horizons 3)

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 this artifact.

NM - $18.30
LP - $14.70
MP - $11.00
HP - $7.40
DMG - $3.70