Mondrak is an obvious fit into a Karador, Ghost Chieftain deck, especially one that likes to gain life (like my Halloween with Karador does) in order to offset the life loss from spending Phyrexian mana
If such things interest you, might I recommend starting here, here, here, here, and here?
Land Tax is one of those nice cards that gets away with being significantly above a reasonable power level due to it having no proactive or threatening components
Hinata, The Hidden-Leaf Ninja For anime lovers, Hinata is one of the most recognized characters from the Naruto franchise
1 Rulebook
I wouldn't generally call that a drawback, except for the fact that, unlike with Bolas's Citadel or Gwenom, Remorseless, which offer spells-for-life as a bonus effect, it's possible to lock yourself entirely out of the game with Teval