Clockwork Swarm enters the battlefield with four +1/+0 counters on it. Clockwork Swarm can't be blocked by Walls. At end of combat, if Clockwork Swarm attacked or blocked this combat, remove a +1/+0 counter from it. {X}, {T}: Put up to X +1/+0 counters on Clockwork Swarm. This ability can't cause the total number of +1/+0 counters on Clockwork Swarm to be greater than four. Activate only during your upkeep.
Near Mint - $1.50
Lightly Played - $1.50
Moderately Played - $1.25
Heavily Played - $1.00
Damaged - $0.75
Near Mint Non-English - $1.50
Lightly Played Non-English - $1.50
Moderately Played Non-English - $1.25
Heavily Played Non-English - $1.00
Damaged Non-English - $0.75
Foil Prices
Near Mint Foil - $2.25
Lightly Played Foil - $2.00
Moderately Played Foil - $1.75
Heavily Played Foil - $1.50
Damaged Foil - $1.00
Near Mint Foil Non-English - $2.25
Lightly Played Foil Non-English - $2.00
Moderately Played Foil Non-English - $1.75
Heavily Played Foil Non-English - $1.50
Damaged Foil Non-English - $1.00