Demonic Sea King Basskirk

When a card is sent from a Library to a
Graveyard, place a +1/+1 counter on Demonic
Sea King Basskirk. Activate this ability only once
each player's turn.
You can remove five +1/+1 counters from
Demonic Sea King Basskirk to place three
creatures from your Graveyard into play; each creature must have a cost of {5} or less.