Crimson Glow Valstrax

First Strike, Flash, Haste, Dragonblight, Flying
When Crimson Glow Valstrax enters the battlefield, destroy 1 target creature
{3}{b}{b}{r}{r}: Remove Crimson Glow from
combat. At the beginning of the next upkeep
destroy up to 3 target creatures
{4}{b/r}{b/r}{b/r}{b/r}: Destroy 2 target creatures, deal 5
damage to each opponent, Crimson Glow gains
Double Strike until end of turn