Prerequisites
- Mordenkainen in hand
- Doubling Season on the battlefield
- Thassa's Oracle in the library
- Your devotion to blue is equal to or greater than the number of cards in hand minus two
- available
Steps
- Cast Mordenkainen by paying
- Mordenkainen enters the battlefield with ten loyalty counters due to Doubling Season
- Activate Mordenkainen's third loyalty ability by removing ten loyalty counters from it
- Mordenkainen dies as a state-based action due to having zero loyalty
- Resolve the Mordenkainen ability, exchanging your hand and library
- Cast Thassa's Oracle by paying
- Thassa's Oracle enters the battlefield, causing you to win the game
Results
Required Cards 3
Mordenkainen
Legendary Planeswalker — Mordenkainen
Doubling Season
Enchantment
Thassa's Oracle
Creature — Merfolk Wizard