Solus, The Setting Sun

Indestructible, Lifelink, Haste
During your upkeep, if Solus, The Setting Sun is
on the battlefield under your control, exile it.
Target creature you control has +5/+5 and
Lifelink until end of turn. During your upkeep, if Solus, The Setting Sun is in your exile, return it
to the battlefield.
If any player would exile Solus, The Setting Sun,
they can choose which player's exile to put
it in.