Gravebot The Tome Raider

Gravebot The Tome Raider can't be countered.
As Gravebot The Tome Raider enters the field,
spells can no longer be played from the hand.
You may play any spell from opponents graveyards.
When you do so, you may spend mana as though it
were mana of any color to cast these spells.
Spells cast this way are exiled instead.