You cannot easily afford the card disadvantage and you don't need that early boost like the other colours do as you have plenty of one mana ramp
B) Tutor Naya Charm and recast Time Stretch
(Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) The cost reduction ability of Ephara's Dispersal doesn't affect its mana cost or mana value
Ashling, Flame Dancer This red creature feels good in a prowess or Ruby Storm deck
Amulet of Vigor Amulet of Vigor might be the games most famous untap effect thanks to the prominence of Amulet Titan decks in Modern
This harshly limits my options for most everything other than creatures, and even then, there are many top tier Goblins I cant play, such as Krenko, Mob Boss, Siege-Gang Commander, or Conspicuous Snoop