Arotus, the Bloodspirit

Flying, Lifelink, Vigilance

Arotus has Hexproof as long as Arotus' Grimoire is equipped to it.

Sacrifice the Blood-Pay two life, choose a creature you
don't control. It becomes a marionette in addition to its other types.

Devour the Weak-Whenever a marionette leaves the battlefield, proliferate.