Finally, Elspeth Conquers Death doesn't really fall into the above categories
A turn-two Griselbrand often draws you 7+ cards, finds more reanimation, and forces chump blocks immediately
However, what actually happened is that this cards free caveat (a la Great Whale) made it an utterly busted combo piece in the Standard format
In the case of Time Walk, it retained its devastating ability: take an extra turn for just two manaone of the strongest effects in the entire MTG game
Not only does this card work perfectly for my favorite commander, Caesar, and my other favorite Mardu man, Negan, the Cold-Blooded, but it also overcomes my least favorite wincons, those that ping your life total outside of combat