Zur the Enchanter

Flying

Whenever Zur the Enchanter attacks, you may search your library for an enchantment card with converted mana cost
3 or less and put it into play. If you do, shuffle your library.

Pro Tip : One of the most powerful Commanders of all-time, Zur is so good that he often gets the House Rules ban. Zur the Enchanter allows you to play a toolbox of inexpensive enchantments that can handle just about any situation. - Card Kingdom