Whenever Serum Tank or another artifact enters the battlefield, put a charge counter on Serum Tank. {3}, {T}, Remove a charge counter from Serum Tank: Draw a card.
NM-Mint - $1.40
Lightly Played - $1.30
Moderately Played - $1.10
Heavily Played - $1.00
Damaged - $0.70
NM-Mint Non English - $1.40
Lightly Played Non English - $1.30
Moderately Played Non English - $1.10
Heavily Played Non English - $1.00
Damaged Non English - $0.70