Both are power stat: only have 1 of each left.

Phospholuminescent Infusion: https://wiki.guildwars2.com/wiki/Phospholuminescent_Infusion_(Power)

Winter's Heart Infusion: https://wiki.guildwars2.com/wiki/Winter%27s_Heart_Infusion_(Power)

If you want to see them both in-game before buying, we can arrange that.

Trading in only Ectos or Mystic Coins.