Lionheart's creature priority when his board is nearly full makes a mistake. He will play a Crusader instead of leaving the spot empty so that he can continually rewind Scarabs. I just won because he played a Crusader, quinted it and filled his side with immortal creatures, thereby causing himself to deck out. For 4 turns prior he would spawn 2 scarabs and rewind them on the same turn, preventing me from quinting them and locking his board down. When he drew the Crusader he locked it for me, ensuring the win.