Jaxis, the Troublemaker - Promo Pack (PSNC) from Streets of New Capenna, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Zoltan Boros
• Card Text:
  R, T, Discard a card: Create a token that's a copy of another target creature you control. It gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step Activate only as a sorcery.
  Blitz 1R (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)