Mtg Mana Ramp Cards. If you lose its coin flip, it deals three damage to you. The chromatic lantern is another another fantastic modern ramp card that any ramp player should have in their deck.
Since green is the color most known for mana ramp in magic, it is popular for both monocolor and multicolor decks in commander because faster access to your mana usually increases your odds of closing out and winning a game quickly. This creature is much more vulnerable at 1 toughness, but its activated ability is. Ramping up and casting explosive spells are what this color does best.