Clamavus 
Creature — Human Tyranid Artificer
Proclamator Hailer — Each creature you control gets +1/+1 for each +1/+1 counter on it.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Human Tyranid Artificer
Proclamator Hailer — Each creature you control gets +1/+1 for each +1/+1 counter on it.