Anika, Knowledge Seeker

+1: Create a 1/1 tiger token creature with "when this creature enters the battlefield, it explores. If it explores, its controller gains a charge"
-3: Create a 2/2 tiger token with "when this creature enters the battlefield, it explores, then it explores again. Its controller gains a charge"
-10: Gain control of X permanents where X equals the number of charges possessed by the controller of Anika, Knowledge Seeker.