Doom of Malan'tai

Flying, Lifelink, Infect
Hive Mind (Whenever another tyranid enters the battlefield, you gain 1 bio counter and 1 life.)
{1}{u}, Pay 2 bio counters : Counter target non-creature spell.
{1}{u}{r}, Pay 3 bio counters : Counter target spell
or deal 3 damage to target creature
{4}, Pay 4 bio counters : Permanents your
opponents control lose hexproof and indestructible.