Reaping Scrivener

When this creature enters, untap up to seven lands.

When this creature enters, you may return target instant card from your graveyard to your hand.

Return target creature card from your graveyard to your hand. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Flying Sacrifice a creature: This creature gets +2/+1 until end of turn.

If you tap a permanent for mana, it produces twice as much of that mana instead.