Satoru Umezawa, Phage the Untouchable, and Gideon of the Trials

Prerequisites

• Satoru Umezawa on the battlefield
• Phage the Untouchable in hand
• Gideon of the Trials in hand or on the battlefield or in the command zone or in exile or in the graveyard or in the library
• You control a creature that can attack this turn and that cannot be blocked by an opponent
• You have Gideon of the Trials' emblem
• You control a Gideon planeswalker
• available

Steps

1. Declare any creature as an attacker, attacking an opponent unable to block it
2. When the creature is unblocked, activate Phage's ninjutsu ability by paying and returning the unblocked creature to your hand, putting Phage onto the battlefield tapped and attacking
3. Phage enters the battlefield, however you cannot lose the game due to Gideon of the Trials' emblem
4. Deal combat damage with Phage
5. Phage triggers, causing the opponent to lose the game

Results

• Target opponent loses the game