In practice, Affinity lets us cast multiple spells with improvise mana, while improvise limits us to one per turn
Okay, at least this rogue has some interesting combo potential with Kiki-Jiki, Mirror Breaker on top of your library, so its not all or nothing on gobbos
This means he also goes hand in hand with Squee, Goblin Nabob, making for some expensive, but reusable damage
Flip a coin, if heads, attach a basic energy from your discard pile to your active Pokmon
Caravan Vigil from Innistrad (2011) is quite a bit too conditional to be effective ramp, but even Lay of the Land has seen some play in Limited
Curious Forager [Foil] #169 (Magic Bloomburrow | Magic Cards) prices are based on the historic sales