River Delta doesn't untap during your untap step if it has a depletion counter on it. At the beginning of your upkeep, remove a depletion counter from River Delta. {T}: Add {U} or {B}. Put a depletion counter on River Delta.
Near Mint - $1.600
Lightly Played - $1.300
Moderately Played - $1.100
Heavily Played - $1.000
Damaged - $800
Near Mint Spanish - $1.600
Lightly Played Spanish - $1.300
Moderately Played Spanish - $1.100
Heavily Played Spanish - $1.000
Damaged Spanish - $800