Sell

• Cards that trigger of celling cards/generating gold counters.

Lands

• Quad Lands (T, Pay 1 Life: Add A, B, C or D to your mana pool + very small upside)
• Quadland Idea 1 (T, Pay 1 Life: Add A, B, C or D to your mana pool + T: Add A, B, C or D your mana pool. Spend only to a Nephilim Spell.)

WG

• MM creature, pt equal to the number of colours among creatures/permanets you control.
• Tutor for a permanent card.

Non-Blue

• cheapest/most aggro.
• "~ can't be returned to your hand or put into your library."
• "attack trigger reanimate something tapped and attacking.
• attacking creatures you control get +4/=)