Zin, Accursed Hexmaster

When Zin, Accursed Hexmaster enters the battlefield, each creature you don't control loses
all abilities and becomes a blue Frog with base
power and toughness 1/1 until end of turn.
Commanders you control have hexproof.
"After they ransacked my abode and ruined a lifetime
of work, they locked me in my own cellar, where I
was left to burn alive amongst my reptilian
companions. Yet we were the monsters."