The Devil's Well

Defender

•Creatures your opponents control must attack The Devil's Well each combat if able.
•Whenever a creature becomes blocked by The Devil's Well, put a slime counter on that creature.
•At the beginning of each upkeep, creatures with slime counters on them get -1/-1 until end of turn for each slime counter on them.

"It does not chase. It waits-and hunger does the rest."