Sand Silos enters the battlefield tapped. You may choose not to untap Sand Silos during your untap step. At the beginning of your upkeep, if Sand Silos is tapped, put a storage counter on it. {T}, Remove any number of storage counters from Sand Silos: Add {U} for each storage counter removed this way.
Near Mint - $1.30
Lightly Played - $1.10
Moderately Played - $0.90
Heavily Played - $0.80
Damaged - $0.70
Near Mint Spanish - $1.30
Lightly Played Spanish - $1.10
Moderately Played Spanish - $0.90
Heavily Played Spanish - $0.80
Damaged Spanish - $0.70