1 Command Tower Yes, we know Command Tower isnt very exciting either, but its undoubtedly an auto-include in every Commander deck around, so its very hard to argue with it being at the top of this list
Raffine, Scheming Seer is the poster child for this variation, often letting you connive 3, 4, or even more cards at once
Also, you can buyback your own spells by paying an extra 4 mana
Playable on top of a different Stitch, this card also allows you to exert low-cost characters to draw cards
This was pretty much the case in Return to Ravnica and Gatecrash Draftmost of the best cards were gold, and most of the gold cards of the same guild functioned along the same basic theme, so you couldnt go too far wrong by just picking a guild and sticking to it
Jace Beleren The original Jace from all the way back in Lorwyn, Jace Beleren is efficient and does one thing extremely well: drawing cards