Abzan Falconer (CM2) from Commander Anthology Volume II, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Steven Belledin
• Card Text:
  Outlast W (W, T: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
  Each creature you control with a +1/+1 counter on it has flying.