Nomad Stadium (ODY) from Odyssey, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: David Martin
• Card Text:
  T: Add W to your mana pool. Nomad Stadium deals 1 damage to you.
  Threshold — W, T, Sacrifice Nomad Stadium: You gain 4 life. (Play this ability only if seven or more cards are in your graveyard.)