Mauri's Diap

Mauri's Diap enters play with X sludge counters.
At the beginning of your upkeep, lose life equal to the number of sludge counters on Mauri's Diap.
Equipped creature has "{t}: add one sludge counter to Mauri's Diap."
Equipped creature has "{t}: Mauri's Diap deals damage equal to its number of sludge counters to target creature. Remove 3 sludge counters from Mauri's Diap. The targeted creature's controller gains control of Mauri's Diap."
Equip {1}