Doom Core

When Doom Core Enters the field it gains 5
Doom Counters({e}{e}{e}{e}{e})
{e}: Destroy one Creature or Artifact.
If Doom Core has No Doom Counters ({e})
Sacrifice it.
If Doom Core is Sacrificed Each Player Discards
Cards from their hand Equal to the number of
Non-Artifact Creatures they control.