Own the Day (TRC) from Star Trek Commander, available at 401 Games Canada.

• Set: Star Trek Commander
• Rarity: Rare
• Finish: Normal
• Card Type: Sorcery
• Colour: Red
• Mana Value: 6
• Artist: Tomáš Honz
• Card Text: Battlefront — This spell costs 1 less to cast for each opponent you attacked this turn.
  Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.