Hive Tyrant

Trample, Menace, Double Strike
Hive Mind 3 (Whenever another tyranid enters the battlefield, you gain 3 bio counters and 3 life.)
{x}, {t} : Pay {x} life and deal {x} damage to target permanent.
{3}, Pay 3 bio counters : Create a 2/2 Gaunt
tyranid creature token with haste.