At the beginning of combat on your turn, create a green Aura enchantment token named Settlement attached to up to one target land you control. It has enchant land and "Enchanted land has '{T}: Add one mana of any color.'" Whenever Preston Garvey, Minuteman attacks, untap each enchanted permanent you control.
NM-Mint Foil - $2.50
Lightly Played Foil - $2.30
Moderately Played Foil - $2.20
Heavily Played Foil - $2.00
Damaged Foil - $1.60
NM-Mint Foil Non English - $2.50
Lightly Played Foil Non English - $2.30
Moderately Played Foil Non English - $2.20
Heavily Played Foil Non English - $2.00
Damaged Foil Non English - $1.60