Sharktocrab - Commander Deck (CMR) from Commander Legends, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Jehan Choo
• Card Text:
  2GU: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.)
  Whenever one or more +1/+1 counters are put on Sharktocrab, tap target creature an opponent controls. That creature doesn’t untap during its controller’s next untap step.