Artifacts you control have hexproof. (They can't be the targets of spells or abilities your opponents control.) At the beginning of your upkeep, if you control the artifact with the greatest mana value or tied for the greatest mana value, draw a card.
NM-Mint - $1.20
Lightly Played - $1.10
Moderately Played - $1.00
Heavily Played - $0.90
Damaged - $0.60
NM-Mint Non English - $1.20
Lightly Played Non English - $1.10
Moderately Played Non English - $1.00
Heavily Played Non English - $0.90
Damaged Non English - $0.60