Piotrek, Terraforming master

This creature's power and toughness are equal to
the amount of tokens you own on Mars.
{t}{2}{g}{b}{u}: Roll a D6. For results:
• 1-2: Create an Ocean token on Mars. Creatures
you control can't be blocked this turn.
• 3-4: Create a Tree token on Mars. Forests you
control add {g}{g} instead of {g} this turn.
• 5-6: Create a City token on Mars. You may
sacrifice a Forest, if you do, destroy target land
and it's controller loses 5 lives.