Rith Do-Over
it wants you to sacrifice everything you can for a powerful draw engine
On top of these combos, you can also get infinite combats, using Priest of Urabrask and Hellkite Charger
Jace is weak in the same way that Wurmcoil is weak, they are so strong that things that answer them well are substantially elevated in power
Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.) When this creature dies, if it dealt combat damage to a player this turn, return it to the battlefield under its owner's control
The Beast, Deathless Prince Doctor Who s The Beast, Deathless Prince works best with a bunch of Threaten effects that steal creatures and give them haste, but it works with other theft effects