Blood Aspirant (THB) from Theros Beyond Death, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Tyler Walpole
• Card Text:
  Whenever you sacrifice a permanent, put a +1/+1 counter on Blood Aspirant.
  1R, T, Sacrifice a creature or enchantment: Blood Aspirant deals 1 damage to target creature. That creature can’t block this turn.