Xenomorph Queen

{t} create X black 1/1 Xenomorph tokens
where X is the number of Xenomorphs you control. sacrifice a Xenomorph add {b} equal to the power of the
sacrificed Xenomorphjs power. Xenomorphs
get +3/+3 whenever a Xenomorph attacks
alone it gets +Y/+Y where Y is its power
{b} Xenomorph Queen get +2/+0 until the end turn.