As I often explain in my Budget Commander articles, every time I build a rough draft of a deck, I make sure I have a certain ratio of mana, interaction, card advantage, etc
They are introduced in the 10th Anniversary movie, where five of their original counterparts note are stolen by the main villain Paradox, who then enslaves and corrupt them to create the Malefic monsters
Once that ability is announced, players can't respond to it until after you've paid its activation cost and returned Maze's End to hand
The ones in the set are pretty good, but after looking into what we could choose from and talking to players at the CoolStuffInc in Tampa, Florida, I feel pretty confident that we've pinpointed the best five
Though its a pricey (in real dollars) ask, Lions Eye Diamond and Auriok Salvagers will give you not only infinite mana, but infinite 2/2 Necron Warriors
Use whatever method appeals to you most