Domesticated Watercourse - No Symbol (CMB2) from Mystery Booster Playtest Cards 2021, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Joe Torra
• Card Text:
  CARDNAME enters the battlefield tapped.
  T: Add U or B.
  U B: Until end of turn, CARDNAME becomes an Equipment artifact with equip 2.
  Whenever equipped creature deals combat damage to a player, draw a card.