Raju, Golden Library Sentinel

Double Strike, Ward {2}

When this creature attacks, you may discard a card,
if you did choose two, if not choose one:
•This creature gains +2/+0 until end of turn.
•This creature gains +0/+2 until end of turn.
•Create a 1/1 blue Tome token creature
with {2}{t}:Draw 2 cards
• Sacrifice this creature at the begining of your endstep: Exile target player's graveyard