Biollante, Nature's Wrath

Reach, Deathtouch, First strike
As an additional cost to cast this card, you must
own a card named 'Rose Biollante' in either the
graveyard or exile.
{1}{u}{b}{g}{g}: Regenerate Biollante.
{t}: Add {u}{b}{g} to your mana pool.
{5}{u}{b}{g}: Exile this card from your graveyard,
you gain 15 life.