>On Spellboost: Reduce the cost of this card by 1.
>Return your hand to deck.
>Draw 5 cards.
>Spellboost your hand 5 times.
>Fully recover your play points.
So the idea with this is
>spend all your hand
>spend all your PP
>play this
>refill your hand
>refill your PP
and try to OTK?