Vicious Astraloud

Additional cost to summon this card exile 1 Visas Starfrost from field or grave
Flying
Cannot be destroyed
This card has +2/+0 for each exiled Visas creature
When Vicious Astraloud enters the battlefield
destroy 1 creature and Vicious Astraloud gains
+1/+1 counters equal to half the destroyed
creatures power.