The Mycotyrant, Morality Shift, and Epic Struggle

Prerequisites

• The Mycotyrant on the battlefield
• Morality Shift in hand
• Epic Struggle on the battlefield
• You have a number of permanent cards in your library equal to or greater than twenty minus the number of creatures you control
• available

Steps

1. Cast Morality Shift by paying , exchanging your graveyard and library, causing you to descend once for each permanent card put into your graveyard this way
2. At the beginning of your end step, The Mycotyrant triggers, creating a number of 1/1 Fungus creature tokens equal to the number of times you've descended this turn
3. At the beginning of your next upkeep, Epic Struggle triggers, causing you to win the game

Results

• Near-infinite creature tokens
• Near-infinite ETB
• Near-infinitely large The Mycotyrant
• Win the game at the beginning of your next upkeep