Outlaws of Thunder Junction releases April 19 with prerelease starting on April 12
Giant Adephage makes 7/7s with trample, Omnath, Locus of Rage makes 5/5s that will deal extra damage when they die, and Crested Sunmare makes 5/5s just for gaining life
Secret Lair x Warhammer 40,000: Orks Most Playable: Makari, the Lucky Grot (Krenko, Tin Street Kingpin) Best Presentation: Ghazghkull, Prophet of the Waaagh
This would likely require a couple years of widely printed Modern and Legacy Masters sets, and yes, the reserved list would have to go
He can show up, steal a big creature , and use it to win the game, or he can just be the last part of a mana combo that causes everyone else to lose infinite life
So even if damage is doubled, the Trample math happens before that