Sunvine Gardna (GFTP-EN022) [Ghosts From the Past]

1 Plant Normal Monster If a "Sunavalon" Link Monster(s) you control leaves the field by card effect: Destroy this card. When an attack is declared involving this card linked to a "Sunavalon" Link Monster and an opponent's monster: You can activate this effect; the battle damage you take from that battle is halved. When this card is destroyed by battle: You can activate this effect; end the Battle Phase after the Damage Step.