Mulldrifter sees a lot less play in control decks than Think Twice but still makes appearances in them while getting most of its play from mid range decks
Instead of evolving Dunsparce into Dudunsparce (PRE 80) , you can go into Dudunsparce ex (JTG 121) , slap on an Enriching Energy, and not only draw four but also power Tenacious Tail- an attack that can easily push 180+ damage in the mid-to-late game
Whenever Iymrith deals combat damage to a player, draw a card
If you like to collect cards, this is exactly what you are looking for
EDH people love these types of effects and they will invest in this card as soon as the price drops to a more level-headed $20 a card
Skithiryx, the Blight Dragon Skithiryx, the Blight Dragon brings flying, infect, and optional haste, so its a terrifying one-shot threat with the right buffs