Gnoll War Band (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Ben Wootten
• Card Text:
  This spell costs 1 less to cast for each opponent who was dealt damage this turn.
  Menace
  Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)