Black Panther Most Dangerous

“Whenever Black Panther is dealt damage, he deals that much damage to any other target.<br> Power-up — 5WW: Put two +1/+1 counters on Black Panther. Other creatures you control get +2/+2 until end of turn. <em>(Activate each power-up ability only once. Reduce the cost by his mana cost if he entered this turn.)</em>”