5 Jarad, Golgari Lich Lord + Jumbo Cactuar Send That Damage Right To The Face Attacking with Jumbo Cactuar makes him a 10,000/7, but for all that might, it can be blocked by a measly 1/1 token, and nothing will happen to all that damage
HS Triumphant (2010) Triumphant closed the era with a bang, featuring six Prime Pokmon and two Legendary duos (Darkrai/Cresselia and Palkia/Dialga)
Masters sets always have some oddball color combinations that either lack a particularly coherent archetype (RG in MMA2013), have a low average ceiling (UR Elementals in MMA2015, BG Dredge in MMA2013) or are so flexible as to not really have have an archetype (WB in EMA)
What precons have you played with/against that were hard-hitting and perhaps didn't make the list
(Put the top two cards of your library into your graveyard.) As long as there is a Lesson card in your graveyard, this creature can attack as though it didn't have defender
Then there is this