Allowing you to get value from them as a commander on the turn you play them, and it can one-shot people if you have Wound Reflection, Archfiend of Despair, or Astarion, the Decadent in play since those abilities check the life loss as they resolve
You ramp using a critical mass of mana dorks (creatures that tap for mana) like Llanowar Elves, Priest of Titania, and Elvish Archdruid, which tap for more mana the more elves you control
This product line returned in 2017 after a cancellation two years earlier, but only made it a further three years before they were canned once more in 2021
Ideally, you may want to play it alongside other cards that have Start your engines ability, so you can get your speed high enough and draw multiple cards at once
1 Valkyrie Harbinger
Archon of Sun's Grace For player's that love Enchantments, Archon of Sun's Grace is a dream