Knull's Voice

Gain control of target Symbiote until end of
turn. Untap that creature. It gains haste until
the end of turn.

If you control a Symbiote God as you cast this
spell, you instead gain control of target
Symbiote for as long as you control a Symbiote
God.

Join me... or I will burn this world to the ground.
- King in Black