You don't lose unspent red mana as steps and phases end. Magecraft — Whenever you cast or copy an instant or sorcery spell, discard a card, then draw a card. If this is the second time this ability has resolved this turn, Ashling, Flame Dancer deals 2 damage to each opponent and each creature they control. If it's the third time, add {R}{R}{R}{R}.
NM-Mint - $7.10
Lightly Played - $6.40
Moderately Played - $5.70
Heavily Played - $5.00
Damaged - $3.60
NM-Mint Non English - $7.10
Lightly Played Non English - $6.40
Moderately Played Non English - $5.70
Heavily Played Non English - $5.00
Damaged Non English - $3.60
Foil Prices
NM-Mint Foil - $17.40
Lightly Played Foil - $15.70
Moderately Played Foil - $14.00
Heavily Played Foil - $12.20
Damaged Foil - $8.70
NM-Mint Foil Non English - $17.40
Lightly Played Foil Non English - $15.70
Moderately Played Foil Non English - $14.00
Heavily Played Foil Non English - $12.20
Damaged Foil Non English - $8.70