Trash Compactor

{3}, {t}: Attach all creatures under target player's control to Trash Compactor. It stays tapped as
long as creatures are attached to it.
Attached creatures cannot attack or block.
At the beginning of that player's upkeep, put a
squish counter on Trash Compactor. When
Trash Compactor reaches 3 squish counters,
destroy all creatures attached to it, then untap it.
"Into the garbage chute flyboy!"
-Leia Organa