When you are about to lose but draw your Balace, mise
Baleful Strix Like Solemn Simulacrum, Baleful Strix does a lot for a little
That kind of trade-off is usually worth it, especially since Ketramose is hard to remove and comes with menace and lifelink to help stabilize once its ready to attack
Glarb, Calamitys Augur Glarb, Calamity's Augur is powerful because it asks virtually nothing of you
For one, this cards abilities dont cost any mana to activate
You cannot attack that player with the Thirster of Blood this turn, but in a multiplayer game you can attack, and then if you slip through another untap, another extra combat and another attack