While Tranquil Domain is still a cheap MTG card, right now, that might not last too long
Oddly, Crook of Condemnation seems to have improved significantly thanks to the banning of Aetherworks Marvel, because the end of Marvel's reign of terror opens up the format for a couple of very powerful graveyard decks that couldn't quite keep up with Turn 4 Ulamog, the Ceaseless Hunger
Entourage of Trest When Entourage was first added to Magic Online , players debated whether or not it was good enough
The Lunar Whale The Lunar Whale has excellent stats and a cheap crew cost, and it works as a Future Sight if you attack with it
I like casting Reckoner Bankbuster on the play on turn two if I have a Fable of the Mirror-Breaker in hand, because it forces your opponent to either deal with it or hold up a counterspell for Fable, whereas on the draw, you cannot play a turn two Bankbuster , as you need to be handling their board
Faeburrow Elder A mana pricier to cast than Bloom Tender, but it compensates with its size and utility