Ghanima

Hexproof
When Ghanima enters the battlefield: each creature you control gets a +1/+1 counter. Exile all permanents you control, then return them to the battlefield under your control. On any turn after you may pay {4}{w}: to repeat the process. Activate as a sorcery and only once per turn.
{w/u}: Search your library for Leto II, put it into your hand then shuffle.

As long as both ghanima and Leto II are on the battlefield you may take control of target creature each opponent controls until Ghanima le