mtg visions card list All Values for Ebay, Amazon and hobby stores! look at the top two cards of your library Serum Visions (029) [Secret Lair

lifelink in casual Commander is excellent

Either 4 or 8 life is a lot to pay to get ahold of two extra cards, but life is a resource after all

Sultai Morphs: I think you can make a pretty strong argument that Sultai Morphs could be #1 on our list

Fable of the Mirror-Breaker / Reflection of Kiki-Jiki One of the strongest cards printed in recent years, Fable of the Mirror-Breaker does much more than rummage away a few cards

You can fill your deck with creatures with potent enter the battlefield effects and some good ways to bounce those cards back to your hand, or just have the most obnoxiously expensive creatures you can find and leave it at that