That's No Moonmist

Instant

Transform all artifacts and Phyrexian creatures on their front face. Prevent all combat damage that would be dealt this turn by creatures other than Phyrexians. (Only double-faced cards and tokens can be transformed.)

Legalities

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