Declare any creature as an attacker, attacking an opponent unable to block it.
When the creature is unblocked, activate Phage's ninjutsu ability by paying ({2} magic symbol) ({U} magic symbol) ({B} magic symbol) and returning the unblocked creature to your hand, putting Phage onto the battlefield tapped and attacking.
Phage enters the battlefield, however its ability does not trigger due to Tocatli Honor Guard.
Deal combat damage with Phage.
Phage triggers, causing the opponent to lose the game.