Now read Chains of Mephistopheles again
This high up, we'll go strictly by Whoever gets the most bans, wins. You can play Timetwister in Vintage (even if it's restricted) and Commander, but Yawgmoth's Bargain is strictly Vintage-only and one of Magic's best black enchantments ever
While we may not have a lot of ramp options with our creatures, Goblin Warchief goes further by simply reducing the cost of other goblins
You might keep that card draw package, but you could get cute and move the deck in a fun direction
Sometimes it exiles an artifact or enchantment, sometimes it fixes your draw, sometimes it does both attached to a massive body
Each represents an activated ability with the listed cost that advances the Class to the level listed in that bar