If you have lots of protection, things like countermagic, Spellskite, Lightning Greaves etc then these cards improve in value
This means that not only will it replace itself in our hand when it enters, but it will also replace every FlickerFlicker effect we cast on it, and all of this with a sprinkle of card selection on top
Each Bobblehead has an activated ability that gives you a benefit based on the number of Bobbleheads you control
This might just be a sideboard card, but its one worth knowing
Again, this is a rare occurrence but it does happen from time to time when a judgment call has to be made on a card that pushes the limits for centering
From Ulamog comes destroy target permanent, from Kozilek comes the draw 4 cards, and Emrakul grants you taking an extra turn