Elemental Hero Flare Scarab

Flying, haste
When Elemental Hero Flare Scarab enters the battlefield, choose a player. Elemental Hero Flare Scarab's power is equal to the number of instant
and sorcery cards in chosen player's graveyard.
If Elemental Hero Flare Scarab would be put
into a graveyard from anywhere, shuffle it into
its owner's library instead.