XX-Saber Faultroll (DT07-EN013) - Duel Terminal 7 Limited

This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except while you control 2 or more face-up "X-Saber" monsters. Once per turn, you can Special Summon 1 level 4 or lower "X-Saber" monster from your Graveyard.