Mirror Shield

Artifact — Equipment

Equipped creature gets +0/+2 and has hexproof and "Whenever a creature with deathtouch blocks or becomes blocked by this creature, destroy that creature."

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Dan Murayama Scott

Legalities

NOT LEGALStandard
LEGALPioneer
LEGALModern
LEGALLegacy
LEGALVintage
LEGALCommander
LEGALOathbreaker
NOT LEGALAlchemy
LEGALHistoric
LEGALBrawl
LEGALTimeless
NOT LEGALPauper
LEGALPenny