Geistcatcher's Rig 
Artifact Creature — Construct
When this creature enters, you may have it deal 4 damage to target creature with flying.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Artifact Creature — Construct
When this creature enters, you may have it deal 4 damage to target creature with flying.