Nidoking 29/111 (Rising Rivals)

Territoriality - If your Active Pokemon is damaged by an opponent's attack (even if that Pokemon is Knocked Out), put 2 damage counters on the Attacking Pokemon. You can't put more than 2 damage counters this way. (Poke-BODY)

NM - $12.10
LP - $9.20
MP - $6.90
HP - $4.60
DMG - $2.30