Dragon Tempest (C17) from Commander 2017, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Willian Murai
• Card Text:
  Whenever a creature with flying enters the battlefield under your control, it gains haste until end of turn.
  Whenever a Dragon enters the battlefield under your control, it deals X damage to target creature or player, where X is the number of Dragons you control.