Breach the Multiverse Full Art cast it for its madness

cast it for its madness cost or put it into your graveyard

instead each opponent sacrifices half the creatures they control of their choice

Whenever a creature you control with a legendary Equipment attached to it deals combat damage to a player

Whenever this creature deals damage to a player

choose up to one other target enchantment or artifact

Breach the Multiverse Full Art cast it for its madnessEach player mills ten cards. For each player, choose a creature or planeswalker card in that player's graveyard. Put those cards onto the battlefield under your control. Then each creature you control becomes a Phyrexian in addition to its other types.