10) Abundant Harvest For years, the biggest thing separating Modern from Legacy has been a lack of powerful cantrips
Then you can self-bounce a land and give something trample for 2 mana and then play it again for another slate of landfall triggers
It follows, then, that protection from everything is profoundly powerful, as it means "this card can't be blocked, targeted, enchanted, or damaged by anything." A Creature with protection from everything can't be blocked, can't be targeted by Lightning Bolt or Slice from the Shadows, and can't be locked down by a Pacifism or Icy Manipulator
The fact that the board can become rather full in Modern, Jace can often be out raced before he even hits the board which is the main reason Jace doesnt see more play
4 players, 4 editions, 1 pack from each edition
cEDH viable for sure, and is very strong outside of that too