Most Fearsome Greek God, Poseidon

[AUTO]:When this unit is retired from (RC) for your card's cost, [COST][Soul-Blast]1], call this card to (RC) as [Rest], and if you have a vanguard with "Poseidon" in its card name, [Stand] this unit, choose one of your units, and it gets [Power] +5000 until end of turn.