Ambrose Whitlock

First strike, haste
All instant and sorcery spells cost {1} less to cast.
Whenever you cast an instant or sorcery spell, choose one:
•Add a +1/+1 counter to Ambrose Whitlock.
•Return target Case or Saga from your graveyard to your hand.
On a turn where you complete a Case or Saga, Ambrose Whitlock has double strike until end of turn