At the beginning of your upkeep, change Halfdane's base power and toughness to the power and toughness of target creature other than Halfdane until the end of your next upkeep.
NM-Mint - $35.20
NM-Mint Non English - $35.20
Lightly Played - $33.40
Lightly Played Non English - $33.40
Moderately Played - $31.70
Moderately Played Non English - $31.70
Heavily Played - $28.10
Heavily Played Non English - $28.10
Damaged - $22.90
Damaged Non English - $22.90