Biovisionary on the battlefield. All other cards in hand. {U}{U}{R}{R}{R} available.
Ob Nixilis, Unshackled + Storm King's Thunder + Scheming Symmetry
Combo result
Each opponent loses the game. Near-infinite lifeloss. Prerequisites
Ob Nixilis on the battlefield. All other cards in hand. {B}{R}{R}{R} available, plus an additional available for every twenty life your opponents collectively have.