Harkel, Orchestrator of Death

If red was used to cast Harkel, Orchestrator of
Death, each player discards a card for each
demon all players control.
If black was used to cast Harkel, Orchestrator
of Death, sacrifice X creatures. Target opponent
loses X life. If a demon was sacrificed this way
target opponent discards X cards.
At the beginning of your upkeep, if you control
three or more demons, all opponents discard one
card. Deal one damage to target creature for each
card discarded this way.