At the beginning of your upkeep, if there are fourteen or more cards in your graveyard, you may transform Emet-Selch
Then, when you're ready, you can transform him into The Invincible Iron Man for six mana (1U, 1R, 4C) who is a 5/5 Flying creature with Haste, who, at the beginning of combat on your turn, lets you put an artifact card from your hand onto the battlefield, and if it's an equipment, you may attach it to Iron Man for free
You can play a five drop
While those differences are huge, perhaps the biggest difference is that each Commander deck has a Commander a legendary creature that begins the game in the Command Zone, meaning you can cast it from there
With the abundance of one mana ramp in green getting you to three mana on turn two a strong three mana play is just the ticket
Since they were seen in Future Sight , weve had so many mechanics that I would like to see explored on the body of Slivers like Unearth, Infect, Prowess, Improvise, and Mentor