the black hole

{b}{w} destroy halve of the enemy team and
add 2 to power and toughness to halve of your team for 2 turns .
{b}{r}{r}{r} creates a fire storm that is unavoidable and does 3 damage
{b}{b}{b}{b} destroy all of the enemy team.
{w}{w}{w}{w} add 4 to power and toughness to all of your team for 4 turns.
{b}{b}{b}{b}{b}{b}{b}{b}{b} win the game