Tyrant Guard

Tyrant Guard

Creature - Tyranid | Power/Toughness: 3 / 3 (CMC 3)
Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)
Shieldwall -- Sacrifice Tyrant Guard: Creatures you control with counters on them gain hexproof and indestructible until end of turn.