Curse of Demons

Curse of Demons enters the battlefield with
counters equal to how many creatures are on the
field. Every upkeep you must choose one:
- Destroy target creature gain a counter
- Control target creature from battlefield or graveyard, and remove a counter from
Curse of Demons
- Give target creature unblockable and +X/+X,
where X is the number of counters removed from
Curse of Demons