Mars Beta

{1}: Mars Beta deals 1 damage to any target. Put a charge counter on Mars Beta.
{3}, remove X charge counters from Mars Beta: Mars Beta deals 2 damage to all enemies X times.
{6}, remove four charge counters from Mars Beta: target player loses 12 lifes.
Crew 3 (Tap any number of other creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)