Blek, Ooze Warlord

Whenever Blek, Ooze Warlord enters the battlefield create an X/X Ooze creature
token where X is the number of lands you control.
At the beginning of your endstep you may
sacrifice another Ooze you control, if you do create a copy of target creature an opponent
controls, that copy gains Ooze as a creature type.