Bed of Chaos

At the end of each turn Mill 1.
If a creature was milled this way put an X/X black demon into play where X is the creature's casting
cost, you lose X life,
If a non creature, non land was milled this way Bed of Chaos does 5 damage to target creature and 3
damage to you If a land was milled this way you may
put it onto the battlefield
Exile a card in your graveyard: Gain 1 life