Pyke, the bloodharbor ripper

[LEVEL 2] First strike, lurk
{b}{g}{u}: Put Pyke onto the battlefield, it deals
damage equal to it's power to target creature.
Activate this ability only if Pyke is in your hand
or on top of your library, and is revealed.
When a creature dealt damage by pyke this turn
dies, you pay put Pyke on top of your library and reveal it.